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Granular Thema
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UMPN.NET programming
10
UMKB2D graphics: games programming
2
UGK3D graphics and modelling
8
UMKC3D graphics: games programming
1
TDPT3D Printing
11
MNDAbdominal surgery
2
JMPAbnormal psychology
24
TNKAAccessibility in buildings and building design
1
UGAAccessibility in web and digital design
1
MKPAccident and emergency medicine
4
MQCL1Accident and emergency nursing
1
KFCAccounting
14
KFCXAccounting: study and revision guides
17
TTAAcoustic and sound engineering
7
ATDCActing techniques
5
MKZRAddiction and therapy
6
LNDBAdministrative jurisdiction and public administration
3
LNDB1Administrative law, general
2
VFVKAdoption and fostering: advice, topics and issues
1
JNPAdult education, continuous learning
5
KJSAAdvertising
6
VSCAdvice on careers and achieving success
135
VSKAdvice on education
6
TGMF1Aerodynamics
1
TRPAerospace and aviation technology
909
NHHAfrican history
6
NHHAAfrican history: pre-colonial
4
QDHPAfrican philosophy
10
QRRMAfro-American
1
JBSPAge groups and generations
14
JBSP1Age groups: children
2
JBSP4Age groups: the elderly
1
UMFAgile programming
5
QRYA5Agnosticism and atheism
6
KCVDAgricultural and rural economics
5
TVDAgricultural engineering and machinery
3
LNKFAgricultural Law
3
TVBAgricultural science
3
TVAgriculture and farming
9
KNACAgriculture, agribusiness and food production industries
10
TVKAgronomy and crop production
13
JKSRAid and relief programmes
4
JWCMAir forces and warfare
1
WGMAircraft and aviation
5
PBFAlgebra
267
PBMWAlgebraic geometry
158
PBPDAlgebraic topology
79
UMBAlgorithms and data structures
84
KNBTAlternative and renewable energy industries
136
THVAlternative and renewable energy sources and technology
180
MKJDAlzheimer’s, dementia, Parkinson’s disease and other neurodegenerative diseases
68
MKAAnaesthetics
2
PBMSAnalytic geometry
6
PBPHAnalytic topology
1
JMAJAnalytical and Jungian psychology
2
PNFAnalytical chemistry
9
PHDDAnalytical mechanics
13
QDHR9Analytical philosophy and Logical Positivism
13
JPFBAnarchism
3
MFCAnatomy
14
DBSGAncient Greek and Roman literature
2
QDHAAncient Greek and Roman philosophy
52
QRSGAncient Greek religion and mythology
11
NHCAncient history
36
QRSAncient religions and Mythologies
2
NHWAAncient warfare
2
TVHBAnimal breeding
1
TVHAnimal husbandry
6
DNGAnimal life stories
1
MXNAnimal-assisted therapy
2
JBFUAnimals and society
24
ATFVAnimated films and animation
6
DNTAnthologies
1
JHMAnthropology
3
WCWAntiques, vintage and collectables: toys, games, dolls and models
1
TVHHApiculture (beekeeping)
1
KNDDApparel, garment and textile industries
5
ULHApple operating systems
5
UXApplied computing
2
RNCApplied ecology
10
PBWApplied mathematics
20
TTBApplied optics
46
PHVApplied physics
9
JMNApplied psychology
12
GPSFApplied research methods
2
TVTAquaculture and fish-farming
2
PSVA8Arachnids (arachnology)
2
LNAC5Arbitration, mediation and alternative dispute resolution
1
NKXArchaeological science, methodology and techniques
15
NKDSArchaeological sites
34
NKAArchaeological theory
2
NKArchaeology
43
NKDArchaeology by period
30
AMCDArchitectural details, components and motifs
1
AMCArchitectural structure and design
6
AMArchitecture
34
AMRArchitecture: interior design
2
AMDArchitecture: professional practice
2
AMGArchitecture: public, commercial and industrial buildings
2
AMNArchitecture: religious buildings
1
AMKArchitecture: residential and domestic buildings
4
AMKHArchitecture: small-scale domestic buildings
1
GLPArchiving, preservation and digitization
7
RGBAArid zones, deserts
1
JPWSArmed conflict
17
JPSFArms negotiation and control
2
JWXFArms trade
2
AVLAArt music, orchestral and formal music
9
ABQArt: financial aspects
7
UYQDArtificial general intelligence (AGI)
52
UYQArtificial intelligence (AI)
2195
LNQHArtificial intelligence law and regulations
22
NHFAsian history
20
UYFLAssembly languages
3
VSPMAssertiveness, motivation, self-esteem and positive mental attitude
477
TTWAssistive technology
3
SFBCAssociation football (Soccer)
5
VXFAAstrology
2
TTDSAstronautics
994
PGTAstronomical charts and atlases
12
PGGAstronomical observation: observatories, equipment and methods
116
PGAstronomy, space and time
919
PHVBAstrophysics
122
PHVJAtmospheric physics
10
PHMAtomic and molecular physics
75
UYUAudio processing
2
MJPDAudiology and otology
10
KFCM1Auditing
3
UYWAugmented reality (AR)
7
NHMAustralasian and Pacific history
2
MKJAAutism Spectrum Disorder
20
DNBF1Autobiography: arts and entertainment
7
DNBAAutobiography: general
18
DNBM1Autobiography: philosophy and social sciences
3
DNBX1Autobiography: religious and spiritual
2
DNBT1Autobiography: science, technology and medicine
5
DNBG1Autobiography: social media
4
DNBS1Autobiography: sport
4
DNBL1Autobiography: writers
2
TJFMAutomatic control engineering
71
TRCSAutomotive (motor mechanic) skills
6
TRCAutomotive technology and trades
28
MKVBAviation and space medicine
6
TRPSAviation skills and piloting
22
ATQRBallroom dancing
1
KFFKBanking
23
KFFXBanking and finance: study and revision guides
3
LNPBBanking law
2
LNPCBankruptcy and insolvency
1
SFMBasketball
4
THYBBattery technology
200
NKVBattlefield archaeology
3
PBTBBayesian inference
32
KCKBehavioural economics
12
MBNFBehavioural medicine
2
JMALBehaviourism, Behavioural theory
7
GLKBibliographic and subject control
1
WGDBicycles and non-motorised transport: general interest and maintenance
2
CFDMBilingualism and multilingualism
4
PNRD1Bio-catalysis
1
TCBiochemical engineering
18
PSBBiochemistry
312
RNCBBiodiversity
36
PSADBioethics
40
THVBBiofuels
14
DNBiography and non-fiction prose
7
DNBPBiography: adventurers and explorers
5
DNBFBiography: arts and entertainment
4
DNBBBiography: business and industry
15
DNBBiography: general
9
DNBHBiography: historical, political and military
84
DNBMBiography: philosophy and social sciences
20
DNBXBiography: religious and spiritual
7
DNBRBiography: royalty
26
DNBTBiography: science, technology and medicine
83
DNBSBiography: sport
5
DNBLBiography: writers
40
PSBiology, life sciences
30
MFGVBiomechanics, human kinetics
3
MQWBiomedical engineering
24
PHVNBiophysics
29
TCBSBiosensors
2
TCBBiotechnology
63
MBNH4Birth control, contraception, family planning
4
WDMG1Board games: Chess
2
WDMGBoard, table top and strategy games
1
WGGBBoats
1
AKHBook design and Bookbinding
2
AGNBBotanical arts
1
PSTBotany and plant sciences
10
SRBBoxing
2
KJSCBrands and branding
4
TNCJBridges
13
QRFBuddhism
6
QRFPBuddhist life and practice
7
WBDBudget cookery
1
KJMV1Budgeting and financial management
3
TNKDBuilding and construction regulations, rules and codes
3
TNKBuilding construction and materials
34
TNKEBuilding physics and energy-efficient construction
20
TNKRBuilding redevelopment, retrofitting, refurbishment
4
JBFK4Bullying and harassment
7
MKPDBurns
3
WGCFBuses, trams and commercial vehicles: general interest
1
KJBusiness and Management
54
KJBXBusiness and management: study and revision guides
1
KJJBusiness and the environment; sustainable approaches to business
43
UFBusiness applications
16
KJPBusiness communication, etiquette and presentation
11
KJFBusiness competition
7
KJGBusiness ethics and social responsibility
21
KJDBusiness innovation
41
KJNBusiness negotiation
5
KJMNBusiness process
2
KJCBusiness strategy
48
KJBBusiness studies: general
3
PBKACalculus
44
PBKCalculus and mathematical analysis
65
PBKQCalculus of variations
11
WFUCalligraphy and hand-lettering
1
LNPDCapital markets and securities law and regulation
1
KCSACapitalism
10
WDMCCard games
11
MNHCardiothoracic surgery
11
MJDCardiovascular medicine
36
JKSMCare of people with mental health conditions
1
JKSLCare of people with specific needs
2
JKSGCare of the elderly
3
JNRCareers guidance
38
RGVCartography, map-making and projections
1
AFKCCarvings, masks, reliefs
3
PNRDCatalysis
5
TTVC2Catering and food preparation skills and trades
1
JKVCCauses and prevention of crime
5
PSAN1Cellular and molecular neuroscience
23
PSFCellular biology (cytology)
134
MFGCCellular physiology
5
QRSTCeltic religion and mythology
2
JPQCentral
2
JPQBCentral
65
JPFKCentrist democratic ideologies and movements
3
TDCQCeramic and glass technology
6
AFPCeramics, mosaic and glass: artworks
2
VXPHChakras, auras and spiritual energy
1
PBWSChaos theory
13
JKSN1Charities, voluntary services and philanthropy
9
JWMCChemical and biological weapons
2
PSEChemical biology
7
PHVQChemical physics
11
KNDCChemical, biotechnology and pharmaceutical industries
14
PNChemistry
28
PNVChemistry of minerals, crystals and gems
7
MJCL2Chemotherapy
26
JBFK1Child abuse
13
VFXCChild care and upbringing: advice for parents
12
JKSB1Child welfare and youth services
10
JMCChild, developmental and lifespan psychology
32
DSYCChildren’s and teenage book reviews and guides
2
DSYChildren’s and teenage literature studies: general
1
VFDJChildren’s health
4
MXHChiropractic and osteopathy
1
QRMPChristian life and practice
2
QRMChristianity
3
PNFCChromatography
4
MKFKChronic diseases and conditions
1
KCSTCircular economic systems
7
ATXCCircus and circus skills
1
LNDACitizenship and nationality law
2
AMVDCity and town planning: architectural aspects
33
JPVCCivics and citizenship
11
LNDECivil and Public Servants law
1
TNCivil engineering, surveying and building
6
LNAC3Civil procedure: law of evidence
1
NHWR3Civil wars
22
VXFTClairvoyance and precognition
1
DDAClassic plays
1
PHDClassical mechanics
197
UTDClient–Server networking
3
RNPGClimate change
234
LNKCClimate law
8
RBPCClimatology and climate modelling
40
SZGClimbing and mountaineering
4
MKMClinical psychology
7
MBGR1Clinical trials
25
UTCCloud computing
34
RGBPCoasts and Coastlines
2
GPJCoding theory and cryptology
42
JMRCognition and cognitive psychology
141
PSAN5Cognitive and behavioural neuroscience
247
MKMT6Cognitive behavioural therapy
1
GTKCognitive studies
40
JMAQCognitivism, cognitive theory
5
NHTWCold wars and proxy conflicts
20
UFSCollaboration and group software
4
DNBZCollected biographies
1
WCFCollecting coins, banknotes, medals and other related items
1
PNRCColloid chemistry
3
NHTQColonialism and imperialism
14
AGZCColours and colour theory
6
PBVCombinatorics and graph theory
55
ATXDComedy and stand-up
9
AKLCComic book and cartoon artwork
3
GTCCommunication studies
36
TJKCommunications engineering
42
MQCXCommunity nursing
4
LNCKCompany and business offences
1
LNCDCompany law
1
LNCCompany, commercial and competition law: general
2
LAMComparative law
2
DSMComparative literature
23
JPBComparative politics
3
QRACComparative religion
12
JNTCCompetence development
3
LNCHCompetition law
29
UMCCompilers and interpreters
7
VXHComplementary therapies, healing and health
3
MXComplementary, integrated and alternative medicine and therapies
11
PBKDComplex analysis, complex variables
60
AVNComposers and songwriters
5
CFXComputational and corpus linguistics
8
PSAXComputational biology
109
PNRAComputational chemistry
5
UKRComputer and information technologies hardware: Maintenance and repairs
2
KNTVComputer and video game industry
223
UXTComputer applications in industry and technology
18
UXJComputer applications in the social and behavioural sciences
2
UYFComputer architecture and logic design
125
UQComputer certification
11
UQJComputer certification: Cisco
5
UQTComputer certification: CLAiT
1
UQRComputer certification: CompTIA
3
UQFComputer certification: Microsoft
1
LNQEComputer crime, cybercrime
12
URHComputer fraud and hacking
289
AKLFComputer game art
19
UDXComputer games
651
UGGComputer games design
242
UKComputer hardware
79
UYMComputer modelling and simulation
23
UTComputer networking and communications
26
UMComputer programming
15
UYComputer science
71
URComputer security
767
UTFBComputer systems back-up and data recovery
3
URJComputer viruses, Trojans and worms
32
UYQVComputer vision
121
UGCComputer-aided design (CAD)
12
UComputing and Information Technology
9
PHFCCondensed matter physics (liquid state and solid state physics)
139
LNRVConfidential information law
1
QRRL1Confucianism
1
MJCGCongenital diseases and disorders
7
ATXFConjuring and magic
5
TNKXConservation of buildings and building materials
8
RNKConservation of the environment
6
RNKHConservation of wildlife and habitats
32
ABCConservation, restoration and care of artworks
6
JPFTConservatism
5
JBGXConspiracy theories
53
LNDXConstitution
32
JPHCConstitution: government and the state
2
LNDConstitutional and administrative law: general
6
LNDC1Constitutional law and human rights
15
KNJCConstruction and building industry
1
LNCQConstruction and engineering law
1
TNKPConstruction planning
5
WGCGConstruction vehicles and heavy equipment
1
KJLConsultancy
6
VSGConsumer advice
4
LNTUConsumer protection law
2
JBFSConsumerism
5
ATQTContemporary dance
1
FMWContemporary fantasy
1
FQContemporary lifestyle fiction
1
QRYMContemporary non-Christian and para-Christian cults and sects
2
LNCJContract law
4
JBFLControl, privacy and safety in society
8
WBCookery
4
WBTFCookery
1
WBTHCookery
1
WBTXCookery
1
VFJCoping with
5
VFJBCoping with
13
VFJB1Coping with
1
VFJB3Coping with
20
VFJB31Coping with
3
VFJB5Coping with
1
VFJB6Coping with
5
VFJB9Coping with
7
VFJDCoping with
2
VFJGCoping with
9
VFJHCoping with
3
VFJJCoping with
1
VFJKCoping with
3
VFJLCoping with
2
VFJPCoping with
15
VFJQCoping with
13
VFJQ1Coping with
6
VFJQ3Coping with
3
VFJR1Coping with
4
VFJSCoping with
17
VFJVCoping with
2
VFJXCoping with
12
VFJB4Coping with heart conditions
3
LNRCCopyright law
5
JKVKCorporate crime
16
KFFHCorporate finance
29
KJRCorporate governance: role and responsibilities of boards and directors
5
JPZCorruption in politics, government and society
32
WJHCosmetics, hair and beauty
1
PGKCosmology and the universe
1048
JNFCCounselling and care of students
16
JMFCouple and Family psychology
5
MQTCCreative therapy
5
CBVCreative writing and creative writing guides
21
KFFLCredit and credit institutions
3
SFDCricket
1
JKVCrime and criminology
4
JKVFCriminal investigation and detection
42
LNFBCriminal justice law
4
LNFWCriminal law: corruption
4
LNFJ2Criminal law: Gender violence
2
LNFJ1Criminal law: Harassment and stalking
1
LNFJCriminal law: offences against the person
8
LNFCriminal law: procedure and offences
6
JMKCriminal or forensic psychology
7
LNFXCriminal procedure
6
LNFX31Criminal procedure: investigation and specific proceedings
1
LNFX3Criminal procedure: law of evidence
2
QDTS1Critical theory
7
QRVCCriticism and exegesis of sacred texts
6
JBCC7Cross-cultural
12
PHVSCryogenics
4
PNTCrystallography
9
VXPCCrystals and colour-healing
1
JBCCultural and media studies
1
VXHTCultural and regional medicines, health and healing techniques
4
LNYCultural heritage law
1
JBCC8Cultural policies and debates
5
JBCCCultural studies
14
JBCC6Cultural studies: customs and traditions
13
JBCC3Cultural studies: dress and society
4
JBCC4Cultural studies: food and society
15
JNDGCurriculum planning and development
15
KJSUCustomer services
2
GPFCCybernetics and systems theory
10
MFCCCytology
1
MKFCCytopathology
2
ATQDance
9
FMTDark fantasy
2
UNCData capture and analysis
4
URYData encryption
18
UNFData mining
9
LNQDData protection law
9
GPHData science and analysis
40
UNDData warehousing
1
UNADatabase design and theory
14
UMTDatabase programming
3
UNSDatabase software
2
UNDatabases
20
VFVGDating, relationships, living together and marriage: advice, topics and issues
14
GPQDecision theory: general
2
NHTR1Decolonisation and postcolonial studies
13
GTSDecolonisation of knowledge
49
LNJDDefamation law, slander and libel
7
KCSVDegrowth
19
QRMB5Denominations of American origin
2
MKEDentistry and related oral medicines
7
MKEHDentistry specialities
2
MJKDermatology
14
AKDesign, Industrial and commercial arts, illustration
10
UGDDesktop publishing
2
KCMDevelopment economics and emerging economies
67
GTPDevelopment studies
43
PSCDevelopmental biology
41
PSAN2Developmental neuroscience
13
QRVJ3Devotional material
1
CFFDDialect, slang and jargon
4
MBNH3Dietetics and nutrition
28
PBMPDifferential and Riemannian geometry
42
PBKJDifferential calculus and equations
95
VFDB1Digestive system: health and conditions
6
UBHDigital and information technologies: Health and safety aspects
2
UBLDigital and information technologies: Legal aspects
4
UBJDigital and information technologies: social and ethical aspects
1235
UBDigital and Information technology: general topics
62
UGNDigital animation
1
UXADigital Humanities
50
UDDigital Lifestyle and online world: consumer and user guides
24
UDMDigital music and audio: consumer
3
KCVMDigital or internet economics
62
AJTHDigital photography
4
UYSDigital signal processing (DSP)
14
UDVDigital TV and media centres: consumer
2
UDQDigital video: consumer
6
UGVDigital video: professional
1
LNQDigital, IT and Communications law
8
AFKVDigital, video and new media arts
13
WNADinosaurs and the prehistoric world: general interest
72
JPSDDiplomacy
38
KJSJDirect marketing
1
JBFMDisability: social aspects
27
PBDDiscrete mathematics
9
MJCDiseases and disorders
15
JBCT5Disinformation and misinformation
76
KJDDDisruptive innovation
25
UNKDistributed databases
2
UNKDDistributed ledger technology
13
UTRDistributed systems
9
KJMV9Distribution and logistics management
7
KJMV22Diversity, equality, equity and inclusion in the workplace
19
WKDDIY (Do it yourself): general guides and advice
2
MBDPDoctor
11
ATFRDocumentary films
23
WNGD1Dog obedience and training
1
JBFK3Domestic abuse
8
WNGDomestic animals and pets
1
KCCDDomestic or internal trade
2
AFFDrawing and drawings
2
VXNDreams and their interpretation
2
RNFDDrought and water supply
26
JBFN2Drugs and alcohol: social aspects
12
JKVGDrugs trade
4
PHDTDynamics and statics
82
FDBDystopian and utopian fiction
1
UDHE-book readers, tablets and other portable devices: consumer
1
KJEE-commerce: business aspects
9
JNGEarly childhood care and education
3
RBEarth sciences
4
TNCEEarthquake engineering
19
QDHCEast Asian and Indian philosophy
30
MKZDEating disorders and therapy
2
PSAFEcological science, the Biosphere
52
KCHEconometrics and economic statistics
16
KCXEconomic and financial crises and disasters
39
KCJEconomic forecasting
8
RGCMEconomic geography
1
RBGLEconomic geology
15
KCGEconomic growth
17
KCZEconomic history
12
KCSEconomic systems and structures
8
KCAEconomic theory and philosophy
35
KCEconomics
22
KCDEconomics of industrial organization
18
KCVEconomics of specific sectors
18
KEconomics, Finance, Business and Management
13
WNPBEdible wild plants and foraging
1
JNEducation
28
JNSVEducation of bilingual or multilingual students
1
JNDHEducation: examinations and assessment
31
JNFNEducation: relations with parents, communities or organisations
4
JNKEducational administration and organization
21
JNVEducational equipment and technology, computer-aided learning (CAL)
77
JNCEducational psychology
29
JNFEducational strategies and policy
29
JNFKEducational strategies and policy: inclusion
13
JNDEducational systems and structures
2
LNDSElection law
3
JPHFElections and referenda
50
THRMElectric motors
1
TRVElectric vehicles
75
THRElectrical engineering
70
KNBLElectrical power generation and distribution industries
279
THRXElectrician skills and trades
16
PHKElectricity, electromagnetism and magnetism
279
PNRHElectrochemistry and magnetochemistry
14
TJFDElectronic devices and materials
255
AVLXElectronic music
2
AVRSElectronic musical instruments
1
TJElectronics and communications engineering
1
TJFElectronics engineering
15
TJFCElectronics: circuits and components
189
MFGTElectrophysiology
5
PHDBElementary mechanics
37
UDFEmail: consumer
1
UKMEmbedded systems
10
WFBCEmbroidery crafts
1
MFKC3Embryology
9
JKSWEmergency services
2
VSPQEmotions and emotional intelligence
28
GPSBEmpirical research methods
4
LNHEmployment and labour law: general
3
LNHXEmployment and labour law: procedure, dispute resolution
1
LNHUEmployment contracts
2
RNKH1Endangered species and extinction of species
4
MJGEndocrinology
24
PHDYEnergy
26
LNCREnergy and natural resources law
39
THYCEnergy efficiency
69
KNBEnergy industries and utilities
224
RNFYEnergy resources
55
THEnergy technology and engineering
9
THYEnergy, power generation, distribution and storage
389
TGMLEngineering applications of bio-materials
5
TGMMEngineering applications of electronic, magnetic, optical materials
12
TGMPEngineering applications of polymers and composites
7
TGMSEngineering applications of surface coatings and films
1
TBMMEngineering measurement and calibration
13
TGXEngineering skills and trades
1
TGMBEngineering thermodynamics
25
TBCEngineering: general
22
TGMFEngineering: Mechanics of fluids
23
TGMDEngineering: Mechanics of solids
24
TGBNEngines and power transmission
10
UFLEnterprise software
57
LNJEntertainment and media law
2
KJHEntrepreneurship
183
LNKEnvironment, transport and planning law: general
1
NKPEnvironmental archaeology
5
PNCEnvironmental chemistry
5
KCVGEnvironmental economics
109
MBNH2Environmental factors
51
LNKJEnvironmental law
7
RNFEnvironmental management
8
MKVEnvironmental medicine
6
TQDEnvironmental monitoring
2
RNDEnvironmental policy and protocols
205
TQEnvironmental science, engineering and technology
7
LNUEEnvironmental tax laws
2
RNAEnvironmentalist thought and ideology
81
RNBEnvironmentalist, conservationist and Green organizations
3
AMCREnvironmentally-friendly and sustainable architecture and design
10
FMBEpic fantasy
5
MBNSEpidemiology and Medical statistics
127
MZDHEquine veterinary medicine
6
TBDGErgonomics
3
VXVEsoteric approaches to living space design and style
1
JPSHEspionage and secret services
17
SXEeSports
25
DNLEssays
13
JBFVEthical issues, topics and debates
8
JBFV2Ethical issues: capital punishment
1
JBFV3Ethical issues: censorship
12
JBFV4Ethical issues: euthanasia and right to die
1
JBFV5Ethical issues: scientific, technological and medical developments
16
QDTQEthics and moral philosophy
52
JBSL1Ethnic groups and multicultural studies
6
JBSLEthnic studies
1
PSVPEthology and animal behaviour
38
PBMHEuclidean geometry
44
NHDEuropean history
27
NHDJEuropean history: medieval period, middle ages
4
NHDNEuropean history: Reformation
2
NHDLEuropean history: Renaissance
4
NHDGEuropean history: the Normans
1
NHDAEuropean history: the Romans
11
NHDEEuropean history: the Vikings
4
PSAJEvolution
177
PSXEEvolutionary anthropology
92
MJADExamination of patients
7
VFMGExercise and workouts
15
AGCExhibition catalogues and specific collections
1
WTLPExpeditions: popular accounts
3
JMLExperimental psychology
1
UYQEExpert systems
27
TTPExplosives technology and pyrotechnics
5
JNWExtra-curricular activities
3
KNATExtractive industries
19
SXQExtreme sports
1
JNLRFaith (religious) schools
1
WQYFamily history, tracing ancestors
17
LNMFamily law
2
JPFCFar-left political ideologies and movements
5
JPFQFar-right political ideologies and movements
20
KNSXFashion and beauty industries
3
AKTFashion and textile design
6
JBSF11Feminism and feminist theory
9
SRFFencing
1
TTBFFibre optics
9
FYFiction
1
FZFiction companion works
1
FYGFiction: continuations by another
2
FYVFiction: inspired by or adapted from other media
1
FYQFiction: special features: yaoi
1
ATFGFilm guides and reviews
109
ATFAFilm history, theory or criticism
45
ATFDFilm scripts and screenplays
7
ATZFilm, television, radio and performing arts: companion works
2
KNTCFilm, TV and Radio industries
7
ATFNFilm: styles and genres
342
ATFXFilmmaking and production: technical and background skills
11
ATFFilms, cinema
11
KFFinance and accounting
2
KFFFinance and the finance industry
37
KFCFFinancial accounting
2
LNEAFinancial administration and public finance law
3
LNPFinancial law: general
3
KFCRFinancial reporting, financial statements
1
LNPFFinancial services law and regulation
3
KFFFFinancial technology (fintech)
36
TNKFFire protection and safety
10
URQFirewalls
10
MQFFirst aid and paramedical services
1
VFDFFirst aid for the home
1
NHWR5First World War
7
KNAFFisheries and related industries
1
VFMFitness and diet
8
GTTFlags, emblems, symbols, logos
1
TNFLFlood control
3
ATQZFolk dancing
1
JBGBFolklore studies
8
TDCT2Food and beverage processing and engineering
10
TDCT1Food and beverage safety
2
TDCTFood and beverage technology
2
KNSBFood and drink service industries
2
PNDFood chemistry
3
RNFFFood security and supply
38
JBFH1Forced displacements, removals or population transfers
5
LNEBForeign economics and customs law
1
MKTForensic medicine
9
JKVF1Forensic science
9
TVRForestry and silviculture
4
RGBLForests and woodland
1
ABKForgery, falsification and theft of artworks
10
THFFossil fuel technologies
3
PBMXFractal geometry
11
LNFNFraud
4
LNDC4Freedom of expression law
8
LNDFFreedom of information law
2
WNCS2Freshwater life: general interest
1
TDCFFuels and petrochemicals
2
PBKFFunctional analysis and transforms
31
UMJFunctional programming
3
JNKGFunding of education and student finance
9
KFFCFundraising, grants, donations
3
QRRFurther religions and spiritual beliefs,
1
JBSP9Future generations
2
PBWXFuzzy set theory
5
PGMGalaxies and stars
345
WDPGambling: theories and methods
5
PBUDGame theory
16
UMKGames development and programming
45
THFGGas technology
1
MJHGastroenterology
9
MNGGastrointestinal and colorectal surgery
1
JBSFGender studies, gender groups
27
JBSF3Gender studies: ‘trans’, transgender people and gender variance
7
JBSF2Gender studies: men and boys
12
JBSF1Gender studies: women and girls
103
MKZVGene therapy
41
NHTGGenealogy, heraldry, names and honours
6
NHBGeneral and world history
11
WBAGeneral cookery and recipes
4
GTZGeneral studies and General knowledge
36
UYQFGenerative artificial intelligence
2531
TCBGGenetic engineering
50
PSAKGenetics (non-medical)
653
NHTZGenocide and ethnic cleansing
4
RBGKGeochemistry
4
RGRGeographical discovery and exploration
7
RGWGeographical information systems, geodata and remote sensing
5
RGGeography
1
RBGGeology, geomorphology and the lithosphere
28
PBMGeometry
22
RBGDGeomorphology and geological surface processes
13
PHVGGeophysics
41
JPSLGeopolitics
324
THVGGeothermal energy and power
37
MKNGeriatric medicine
17
VXQGGhosts and poltergeists
1
WZGGift and novelty books
3
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1
RGBUGlaciers and ice caps
11
GTQGlobalization
2
LNDHGovernment powers
13
CFKGrammar, syntax and morphology
6
AKCGraphic design
10
XQAYGraphic novel
1
XQCGraphic novel
1
XQGGraphic novel
1
XQHGraphic novel
1
XQKGraphic novel
2
XQLGraphic novel
1
XQLMGraphic novel
1
XQMGraphic novel
3
XQVGraphic novel
2
XRGraphic novel
1
AKLC1Graphic novel and Manga artwork
4
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3
UMLGraphics programming
4
PHDVGravity
34
KFFSGreen finance
59
JPFAGreen politics
10
TQPGreenhouse gas emissions technologies
16
KJSTGreenwashing and other forms of deceptive marketing
3
UKGGrid and parallel computing
2
PBGGroups and group theory
105
SHGGymnastics
1
MKCGynaecology and obstetrics
18
MJFHaematology
21
MJRDHaemodialysis
1
TTVHHairdressing, salon and beauty therapy skills
2
KNXCHealth and safety in the workplace
9
WBHHealth and wholefood cookery
3
KCVJHealth economics
19
MBNH9Health psychology
17
MBPHealth systems and services
39
JBFNHealth, illness or addiction: social aspects
24
VFMDHealth: Diets and nutrition
24
THNHeat transfer processes
7
TNKHHeating, lighting, ventilation
23
MJJHepatology
40
MJCG1Hereditary diseases and disorders
19
JNMHigher education, tertiary education
246
TNHHighway and traffic engineering
9
QRDPHindu life and practice
5
QRDF2Hindu texts: Bhagavad Gita
3
QRDF1Hindu texts: Vedas, Upanishads
3
QRDHinduism
1
QRDFHinduism: sacred texts and revered writings
10
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19
MKFHHistopathology
1
CFFHistorical and comparative linguistics
15
NHTB1Historical cross-cultural or intercultural interactions
9
NHTPHistorical geography
5
RBGFHistorical geology and palaeogeology
51
NHTP1Historical maps and atlases
5
NHAPHistorical research: source documents
4
NHAHHistoriography
35
NHHistory
41
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1
AMXHistory of architecture
7
AGAHistory of art
40
UBBHistory of Computing, digital and information technologies
51
LNDC5History of constitution and comparative constitutional law
6
AKXHistory of design
1
JNBHistory of education
11
TBXHistory of engineering and technology
31
JBCC9History of ideas
20
PBXHistory of mathematics
42
MBXHistory of medicine
17
AVMHistory of music
10
NHQHistory of other geographical groupings and regions or specific cultures
27
ATYHistory of Performing Arts
2
QRAXHistory of religion
7
GTBHistory of scholarship (principally of social sciences and humanities)
10
PDXHistory of science
163
KJZHistory of specific companies
37
SCXHistory of sport
12
NHKHistory of the Americas
56
NHKAHistory of the Americas: pre-contacts
5
NHTFHistory: plagues, diseases, famines
8
NHTHistory: specific events and topics
28
NHAHistory: theory and methods
6
WDHHobbies
3
VFGHome nursing and caring
4
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3
WNGHHorses and ponies: general interest
1
MJCJ3Hospital-acquired infections
2
KNSHospitality and service industries
1
KNSGHospitality, sports, leisure and tourism industries
7
TTVCHotel, hospitality and catering trades
2
WKHHousehold management and home hints
2
JBFDHousing and homelessness
22
PSXHuman biology
27
MJCJ4Human coronaviruses
10
AGHHuman figures depicted in the arts
1
RGCHuman geography
5
MFKHHuman growth and development
9
MFKHuman reproduction, growth and development
7
JPVHHuman rights, civil rights
43
UYZHuman–computer interaction
13
QRYAHumanist and secular alternatives to religion
1
QDHHHumanist philosophy
1
JMANHumanistic psychology
1
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12
WHXHumour collections and anthologies
2
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9
TGMF2Hydraulics
3
PSPHydrobiology
16
THDHydrogen technologies
63
RBKHydrology and the hydrosphere
11
TVSHHydroponics
1
THVHHydropower
25
MBNH1Hygiene
2
QDHR1Idealism
2
AKLBIllustration
3
UYTImage processing
15
TTBMImaging systems and technology
26
LNDA1Immigration law
4
MJCMImmunology
101
PDRImpact of science and technology on society
126
LNSDIndigenous land rights
3
JPNIndigenous people: governance and politics
7
JBSL11Indigenous peoples
11
QRRTIndigenous peoples: religions, belief systems, cultural worldviews and spiritual beliefs
1
ATCIndividual actors and performers
4
AMBIndividual architects and architectural firms
32
AGBIndividual artists, art monographs
35
AKBIndividual designers or design groups
6
ATFBIndividual film directors, film-makers
31
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1
PDGIndustrial applications of scientific research and technological innovation
55
KNXNIndustrial arbitration and negotiation
2
NKTIndustrial archaeology
1
TDCIndustrial chemistry and chemical engineering
6
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1
JNRVIndustrial or vocational training
14
TGPQIndustrial quality control
6
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1
KNXIndustrial relations, occupational health and safety
2
NHTKIndustrialisation and industrial history
10
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2
MJCJInfectious and contagious diseases
55
MFKC1Infertility and fertilization
4
UYZMInformation architecture
4
UNHInformation retrieval
8
GLCAInformation retrieval and access
11
KNTXInformation technology industries
390
LNQTInformation technology law
16
GPFInformation theory
14
UYZFInformation visualization
17
JWDInformation warfare
32
LNAC16Injunctions and other orders
1
PNKInorganic chemistry
12
PSVA2Insects (entomology)
22
GTVInstitutions and learned societies: general
34
TBMInstruments and instrumentation
1
KFFNInsurance and actuarial studies
8
LNPNInsurance law
1
PBKLIntegral calculus and equations
26
UFBIntegrated software packages
8
LNRIntellectual property law
10
TRTIntelligent and automated transport system technology
7
MKPLIntensive care medicine
7
GTInterdisciplinary studies
22
QRAFInterfaith relations
3
VFVXIntergenerational relationships: advice, topics and issues
2
TBRIntermediate technology
2
KJKInternational business
1
KCLInternational economics
21
JPSNInternational institutions
28
LBInternational law
1
LBDAInternational law, transport: space and aerospace law
3
LBHTInternational law: arbitration
2
LBHGInternational law: courts and procedures
7
LBJInternational law: intellectual property
4
LBHInternational law: international disputes and civil procedure
2
JPSInternational relations
25
LNUXInternational taxation law
1
KCLTInternational trade and commerce
55
ATNInternet and digital media: arts and performance
52
UDBRInternet browsers
9
UDBGInternet gambling
7
UDBInternet guides and online services
21
UDBDInternet searching
1
UBWInternet: general works
41
JMHCInterpersonal communication and skills
30
UKLInterrelated smart technologies
1
DNPBInterviews
45
NHTTInvasion, conquest and occupation
3
TBYInventions and inventors
20
KFFMInvestment and securities
146
KNJHIron, steel and other metal industries
2
QRPIslam
9
QRPB4Islamic groups: Sufis
1
QRPPIslamic life and practice
1
KJMV3IT and information systems management
41
GLFIT, Internet and electronic resources in libraries
2
VSCBJob hunting
28
VSPEJournaling
1
SRMKJu-jitsu
1
QRJJudaism
1
LNDMJudicial review
7
LAJurisprudence and general issues
9
LNFYJury trials
2
JKVQ2Juvenile offenders
1
KCVPKnowledge
10
KJMKKnowledge management
7
KCFLabour
95
LNHJLabour rules violations and penalties
1
JMAF1Lacanian psychoanalysis
8
LNSHLand and real estate law
2
JWCDLand forces and warfare
1
NKLLandscape archaeology
3
AMVLandscape architecture and design
11
AGNLLandscapes
1
CFDCLanguage acquisition
10
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8
CJPGLanguage learning for academic, technical and scientific purposes
1
CJBGLanguage learning: grammar, vocabulary and pronunciation
5
CJCRLanguage learning: reading skills
2
CJCKLanguage learning: speaking skills
3
CJCWLanguage learning: writing skills
2
CJBTLanguage self-study
4
CJLanguage teaching and learning
5
CJBLanguage teaching and learning material and coursework
2
CJADLanguage teaching and learning: second or additional languages
5
CBXLanguage: history and general works
10
CBLanguage: reference and general
1
CBMLanguages: revitalisation
2
PHJLLaser physics
50
TTBLLaser technology and holography
22
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3
LAQGLaw and society, gender issues
2
LAQLaw and society, sociology of law
8
LNTSLaw and the elderly
1
LNDB8Law of science and research, university college law
1
LNVLaw of torts, damages and compensation
2
LNDCLaw: Human rights and civil liberties
7
LNWLaw: wills, probate, succession, inheritance
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LNLaws of specific jurisdictions and specific areas of law
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JPFFLeft-of-centre democratic ideologies and movements
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LATCLegal ethics and professional conduct
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LAZLegal history
8
LABNLegal pluralism
1
LATLegal profession
7
LASDLegal skills: advocacy
5
LASKLegal skills: negotiating and interviewing
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LNACLegal systems: civil procedure, litigation and dispute resolution
7
LNAALegal systems: courts and procedures
3
LNALegal systems: general
1
LNAA1Legal systems: judges and judicial powers
4
LNAA2Legal systems: law of contempt
2
LNAA12Legal systems: lay and citizen judges
1
LAPLegal technology
5
CFMLexicography
3
JBSJLGBTQIA+ Studies
7
JPFLLibertarianism and libertarian ideologies and movements
1
GLLibrary and information sciences
6
GLCLibrary, archive and information management
1
LNTXLicensing, gaming and club law
1
PSALife sciences: general issues
22
WJLifestyle and personal style guides
1
WLifestyle, Hobbies and Leisure
1
RBKFLimnology (inland waters)
5
PBUHLinear programming
7
CFLinguistics
9
ULJLLinux
22
CFCLiteracy (Theories of reading and writing)
2
DSRCLiterary companions, book reviews and guides
35
DSRLiterary reference works
3
DSBBLiterary studies: ancient, classical and medieval
23
DSBCLiterary studies: c 1400 to c 1600
7
DSBDLiterary studies: c 1600 to c 1800
3
DSBFLiterary studies: c 1800 to c 1900
4
DSBHLiterary studies: c 1900 to c 2000
11
DSKLiterary studies: fiction, novelists and prose writers
77
DSBJLiterary studies: from c 2000
4
DSBLiterary studies: general
25
DSGLiterary studies: plays and playwrights
7
DSCLiterary studies: poetry and poets
50
DSBH5Literary studies: postcolonial literature
5
DSALiterary theory
30
DSLiterature: history and criticism
6
LNDULocal government law
1
WQHLocal history
6
PHFBLow temperature physics
11
UYQMMachine learning
1189
UKPMMacintosh
17
KCBMacroeconomics
23
FMMMagical realism
2
PNFRMagnetic resonance
5
QRFB2Mahayana Buddhism
1
UKDMainframes and minicomputers
5
UBMMaker and hacker culture
17
LNDB6Making of rules and administrative acts
1
KFCMManagement accounting, bookkeeping and auditing
3
KJMManagement and management techniques
10
KJMDManagement decision making
12
KJMV4Management of assets: real estate, property and plant
2
KJMVManagement of specific areas
1
KJMBManagement: leadership and motivation
70
XAMManga and other East Asian style
1
KNDManufacturing industries
7
PSPMMarine biology
24
TTSMarine engineering
14
TRLTMaritime and nautical trades
11
NHTMMaritime history
34
NHTM1Maritime history: Pirates
1
KJSMMarket research
2
SRMMartial arts
2
VFMSMassage
1
JBCC2Material culture
1
PHFMaterials
9
AMCMMaterials in architecture
2
TGMMaterials science
54
MKCMMaterno-foetal medicine
41
PHUMathematical
179
UFMMathematical and statistical software
15
PBCMathematical foundations
12
PBCDMathematical logic
114
PBWHMathematical modelling
54
UYAMathematical theory of computation
259
PBMathematics
172
UYAMMaths for computer scientists
11
TBJMaths for engineers
1
PDEMaths for scientists
3
MFKH3Maturation and ageing
77
TGBMechanical engineering
14
TGMechanical engineering and materials
1
TTGMechatronics
6
JBCTMedia studies
26
JBCT3Media studies: advertising and society
5
JBCT1Media studies: internet, digital media and society
71
JBCT4Media studies: journalism
90
JBCT2Media studies: TV and society
3
KNTMedia, entertainment, information and communication industries
13
MBPMMedical administration and management
23
MBFMedical and health informatics
67
LNTMMedical and healthcare law
1
MJAMedical diagnosis
4
MBGMedical equipment, devices and techniques
7
MBDCMedical ethics and professional conduct
7
MFNMedical genetics
179
MRPMedical guidelines
1
MKSMedical imaging
21
MKSGMedical imaging: nuclear magnetic resonance (NMR
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MKSHMedical imaging: radiology
7
MKSJMedical imaging: tomography
5
MKSFMedical imaging: ultrasonics
6
MBPRMedical insurance
6
MBGLMedical laboratory testing and techniques
21
MKFMMedical microbiology and virology
10
MKFPMedical parasitology
7
PHVDMedical physics
20
MBDMedical profession
7
MBGRMedical research
60
MBNCMedical screening
17
MBSMedical sociology
9
MRMedical study and revision guides and reference material
1
MRGMedical study, exam preparation and revision guides
10
MKGTMedical toxicology
7
PNBMedicinal chemistry
8
MBMedicine
24
MMedicine and Nursing
3
MJCM1Medicine: Allergies
5
MKFM1Medicine: Antimicrobial resistance (AMR)
11
MJGDMedicine: Diabetes
4
MJCJ2Medicine: HIV
12
MBQMedicolegal issues
4
QDHFMedieval Western philosophy
1
DNCMemoirs
14
VSPTMemory improvement and thinking techniques
7
VFDMMen’s health
3
VFDW2Menopause
6
VFDW1Menstruation
3
LNTM1Mental health law
2
MBPKMental health services
9
LNCD1Mergers and acquisitions law
2
PHFC2Mesoscopic physics
3
MFGMMetabolism
19
TDPMMetals technology
4
RBPMMeteorology
38
RBPMeteorology and climatology
12
LABMethods, theory and philosophy of law
13
PSGMicrobiology (non-medical)
66
KCCMicroeconomics
9
PDNDMicroscopy
18
ULDMicrosoft (Windows) operating systems
2
TJFNMicrowave technology
6
NHGMiddle Eastern history
2
MQDMidwifery
4
JBFHMigration, immigration and emigration
34
JWJMilitary administration
3
LNDKMilitary and defence law and civilian service law
3
JWKMilitary and defence strategy
46
TTMMilitary engineering
14
NHWMilitary history
3
NHWR9Military history: post-WW2 conflicts
20
JWTMilitary institutions
1
JWKFMilitary intelligence
12
JWMVMilitary vehicles and transport of air, land and sea
5
JWXVMilitary veterans
1
VXMind, body, spirit
1
VXMMind, body, spirit: meditation and visualization
7
VXAMind, body, spirit: thought and practice
3
VSPDMindfulness
21
VSZMMinimalist lifestyle
3
TTUMining technology and engineering
22
QRVK4Miracles, apparitions and religious phenomena
1
WZPMiscellaneous non-book items: Games, puzzles and toys
1
GBDMiscellanies and compendia
2
KCSDMixed economic systems
3
UMSMobile and handheld device programming
24
TJKT1Mobile phone technology
23
UDTMobile phones and smartphones: consumer
54
WDHBModel-making and construction
1
JBFJModern slavery
5
PSDMolecular biology
185
PSVA6Molluscs (malacology)
3
KCBMMonetary economics
81
KJVPMonopolies
3
JNAMMoral and social purpose of education
24
MQZMortuary practice
4
WGCBMotor cars: general interest
5
SMFCMotor rallying
1
JPTMunicipal
1
AFCMMurals and wall paintings
1
MJEMusculoskeletal medicine
7
GLZMuseology and heritage studies
54
AVMusic
17
AVSDMusic composition
2
KNTFMusic industry
8
AVLMMusic of film and stage
5
AVXMusic recording and reproduction
6
AVCMusic reviews and criticism
2
AVLMusic: styles and genres
3
AVRMusical instruments
1
AVPMusicians, singers, bands and groups
16
PSQMycology, fungi
9
QRVK2Mysticism
2
VXQMMythical, legendary and supernatural beings, monsters and creatures
8
FNMMyths and Legends
7
PDTNanosciences
8
TBNNanotechnology
34
FXKNarrative theme: health and illness
1
WBNNational and regional cuisine
2
NHTRNational liberation and independence
5
WNJNational parks, marine parks, wilderness areas and nature reserves
1
JPFNNationalism and nationalist ideologies and movements
13
UYXNatural computing
905
RNRNatural disasters
27
UYQLNatural language and machine translation
157
QRAB1Nature and existence of God and of the Divine
11
WNNature and the natural world: general interest
47
AGNNature in the arts
4
VXHFNature therapy
2
VXHNNaturopathy
2
JWCKNaval forces and warfare
3
TRLNNavigation and seamanship
3
JPSL1Neo-colonialism
5
MKDNNeonatal medicine
7
UKNNetwork hardware
3
UTFNetwork management
10
UMRNetwork programming
4
UTNNetwork security
63
UTSNetworking packages
2
UTPNetworking standards and protocols
27
UYQNNeural networks and fuzzy systems
457
PSAN3Neuroimaging and neuroanatomy
12
MKJNeurology and clinical neurophysiology
58
PSANNeurosciences
125
MNNNeurosurgery
10
QRMF13New Testaments
1
KNTP2News media and journalism
24
JWXJNon-combatants
8
PBMLNon-Euclidean geometry
8
JPWHNon-governmental organizations (NGOs)
2
PBWRNonlinear science
16
UNANNoSQL databases
1
PNRLNuclear chemistry, photochemistry and radiation
27
RNQNuclear issues
30
MKRNuclear medicine
66
PHNNuclear physics
114
THKNuclear power and engineering
217
JWMNNuclear weapons
15
AGHNNudes depicted in the arts
1
PBCNNumber systems
4
PBHNumber theory
191
PBKSNumerical analysis
41
MQCHNurse
2
MQCNursing
24
MQNursing and ancillary services
1
MQCANursing fundamentals and skills
39
MQCBNursing research and theory
4
MQCLNursing specialties
3
MKZFObesity: treatment and therapy
7
UMZWObject oriented software engineering
1
UMNObject-oriented programming (OOP)
16
FKWOccult fiction
1
QRYXOccult studies
1
JMJOccupational and industrial psychology
12
MKVPOccupational medicine
5
MQTOccupational therapy
2
RBKCOceanography (seas and oceans)
59
LNFG2Offences against land use and city planning, monument, land and environment protection
1
LNFG1Offences against the State, against public administration and the administration of justice
1
JKVQOffenders
1
SCBBOlympic and Paralympic games
1
MJCLOncology
131
KJSGOnline marketing
32
UDDOnline safety and behaviour
10
JNQOpen learning, distance education
10
ULJOpen source and other operating systems
2
AVLFOpera
3
ULOperating systems
9
KJTOperational research
2
MJQOphthalmology
21
PHJOptical physics
178
PBUOptimization
33
MQROptometry
7
NHTDOral history
14
DHOral literature
1
GMOrality
2
TTMWOrdnance, weapons technology
22
PNNOrganic chemistry
67
TVGOrganic farming
1
KJUOrganizational theory and behaviour
10
JKVMOrganized crime
14
PNNDOrganometallic chemistry
2
ATXOther performing arts
9
SXOther sports and competitive activities
3
TTOther technologies and applied sciences
1
TTVOther vocational technologies and trades
7
JWXOther warfare and defence issues
4
MJPOtorhinolaryngology (ENT)
16
WKUOutdoor and recreational areas: design and maintenance
1
SZVOutdoor survival skills
4
KJVOwnership and organization of enterprises
1
MKDPaediatric medicine
6
MQCL3Paediatric nursing
3
ATXPPageants, parades, festivals
1
MKALPain and pain management
13
WFAPainting, drawing and art manuals
1
AFCPaintings and painting
3
CFLPalaeography
2
RBXPalaeontology
101
MKBPalliative medicine
37
JPFN2Pan-nationalism
5
UYFPParallel processing
27
JMXParapsychological studies
3
SCLParasport
1
VFXParenting, parenthood: advice, topics and issues
6
LNDPParliamentary and legislative practice
13
WHPParodies and spoofs: non-fiction
10
PHPParticle and high-energy physics
144
WJXParties, etiquette and entertaining
2
LNRDPatents law
4
MKFPathology
9
MBDSPatient safety
4
UYQPPattern recognition
2
UKPCPCs (IBM-compatible personal computers)
8
GTUPeace studies and conflict resolution
42
JKVPPenology and punishment
17
KFFPPensions
16
AFKPPerformance art
1
KJMV21Performance management
4
ATPerforming arts
5
ATMBPerforming arts genres: Action, adventure, crime and thrillers
1
ATMCPerforming arts genres: Comedy and humour
7
ATMNPerforming arts genres: Science fiction, fantasy and horror
11
ATTPerforming arts: costume
1
ATAPerforming arts: events
8
ATVPerforming arts: production, producing and business aspects
2
WJJPerfume and incense
1
MNZPeri-operative care
1
PNAPeriodic table of the Elements
9
MBNHPersonal and public health
23
UKPPersonal computers
25
VSBPersonal finance
55
UDAPersonal organization software and apps
21
QRVXPersonal religious testimony and popular inspirational works
1
VFBPersonal safety
1
VSPPPersonality traits
11
KJMV2Personnel and human resources management
40
TVPPest control
10
THFPPetroleum technology
7
KNBPPetroleum, oil and gas industries
95
RBGGPetrology, petrography and mineralogy
10
TDCWPharmaceutical chemistry and technology
8
MKGPharmacology
74
MQPPharmacy
1
QDHR5Phenomenology and Existentialism
9
CFNPhilology
15
QDHPhilosophical traditions and schools of thought
8
QDPhilosophy
47
JNAPhilosophy and theory of education
41
CFAPhilosophy of language
14
PBBPhilosophy of mathematics
33
QDTMPhilosophy of mind
85
QRABPhilosophy of religion
7
PDAPhilosophy of science
155
QDTNPhilosophy: aesthetics
15
QDTKPhilosophy: epistemology and theory of knowledge
128
QDTLPhilosophy: logic
47
QDTJPhilosophy: metaphysics and ontology
42
CFHPhonetics, phonology
7
UGPPhoto and image editing
7
AJTPhotographic equipment and techniques: general
2
AJCPhotographs: collections
1
AJPhotography and photographs
6
AJCPPhotography: portraits and self-portraiture
1
AJTFPhotography: subject-specific techniques and principles
16
AJFPhotojournalism and documentary photography
8
PSPAPhycology (algae and seaweed)
5
PNRPhysical chemistry
71
RGBPhysical geography and topography
1
PNRRPhysical organic chemistry
6
PHPhysics
199
PHFGPhysics of gases
1
PHDFPhysics: Fluid mechanics
55
JMMPhysiological psychology, neuropsychology, biopsychology
26
MFGPhysiology
53
MQSPhysiotherapy
3
PSBDPhytochemistry
1
WBVS21Pizzas and pizza making
1
RGXPPlace names and gazetteers
4
WTMPlaces and peoples: general and pictorial works
2
RGBCPlains and grasslands
1
KCSGPlanned economic systems
1
LNKWPlanning law
1
PSTBPlant biology
32
PHFPPlasma physics
34
TDCPPlastics and polymers
1
JNTRPlay-based learning
2
DCPoetry
4
DCFPoetry
3
DCRSPoetry
1
JKSW1Police and security services
7
JPWPolitical activism
22
JPWCPolitical campaigning and advertising
12
JPVPolitical control and freedoms
4
KCPPolitical economy
129
RGCPPolitical geography
2
WHBPolitical humour
22
JPFPolitical ideologies and movements
14
JPHLPolitical leaders and leadership
44
JPVRPolitical oppression and persecution
8
JPLPolitical parties and party platforms
20
JPAPolitical science and theory
32
JPHPolitical structure and processes
26
JPHTPolitical structures
2
JPHVPolitical structures
47
JPHXPolitical structures
13
JPPolitics and government
67
RNPPollution and threats to the environment
43
TQKPollution control
4
PNNPPolymer chemistry
5
PDZMPopular and recreational mathematics
116
WNXPopular astronomy and space
811
JBGPopular beliefs
2
JBCC1Popular culture
12
KCYPopular economics
10
VFDPopular medicine and health
25
VFDBPopular medicine and health: the human body
12
AVLPPopular music
8
QDXPopular philosophy
21
QDXBPopular philosophy: Meaning of life
30
VSPPopular psychology
270
PDZPopular science
454
JHBDPopulation and demography
15
JPFPPopulism
6
AGHFPortraits and self-portraiture in the arts
2
JMAPPositive psychology
13
AKLPPoster art
1
TVHPPoultry farming
1
JBFCPoverty and precarity
21
VSAPractical advice: Life hacks
1
UPPractical applications of information technology
3
QRVG3Practical theology
1
PBJPre-calculus
11
MFPre-clinical medicine: basic sciences
7
MZBPre-clinical veterinary medicine: basic sciences
1
VFXBPregnancy, birth and baby care: advice, topics and issues
4
UFGPresentation graphics software
5
JPWGPressure groups, protest movements and non-violent action
36
TDPPPrinting and reprographic technologies
4
LNFX7Prison law
1
URDPrivacy and data protection
39
LBGPrivate international law
2
KFFTPrivate wealth management
1
PBTProbability and statistics
259
TDCXProcess engineering technology and techniques
21
LNCNProcurement law
1
AKPProduct design
2
TGPProduction and industrial engineering
45
KJMV5Production and quality control management
1
UMXProgramming and scripting languages: general
116
UMAProgramming techniques
38
JNASProgressive education
1
KJMPProject management
10
UFPProject management software
3
KFFRProperty and real estate
8
LNSProperty law: general
1
VFDM1Prostate health
4
MQWPProsthetics
3
LNKXProtection of historic buildings and cultural assets
1
QRMB3Protestantism and Protestant Churches
1
PSGNProtozoa
3
MKLDPsychiatric and mental disorders
19
MKLPsychiatry
9
VXPPsychic powers and psychic phenomena
1
JMAFPsychoanalytical and Freudian psychology
23
CFDPsycholinguistics and cognitive linguistics
6
JMBPsychological methodology
3
JMBTPsychological testing and measurement
17
JMAPsychological theory, systems, schools and viewpoints
26
JMPsychology
72
JMDPsychology of ageing
8
JMGPsychology of gender
5
JMQPsychology: emotions
29
JMUPsychology: sexual behaviour
3
JMTPsychology: states of consciousness
39
JMSPsychology: the self, ego, identity, personality
29
MKGWPsychopharmacology
39
JMEPsychosocial studies
1
MKMTPsychotherapy
7
MKMT3Psychotherapy: child and adolescent
2
MKMT5Psychotherapy: counselling
1
MKMT1Psychotherapy: therapies or techniques
10
JPPPublic administration
41
JPWBPublic affairs
6
AGTPublic art
3
KFFDPublic finance and taxation
49
MBNPublic health and preventive medicine
78
LNTJPublic health and safety law
3
LBBPublic international law
3
LBBM3Public international law, economic and trade: investment treaties and disputes
3
LBBR1Public international law, human rights: labour and social
1
LBBZPublic international law: criminal law
5
LBBMPublic international law: economic and trade
4
LBBM5Public international law: energy and natural resources
1
LBBPPublic international law: environment
3
LBBRPublic international law: human rights
1
LBBSPublic international law: humanitarian law
4
LBBUPublic international law: international organizations and institutions
2
LBBKPublic international law: law of the sea
3
LBBVPublic international law: responsibility of states and other entities
1
LNXPublic Law
1
JPWAPublic opinion and polls
5
KJVNPublic ownership
1
KJSPPublic relations
4
KNTP1Publishing and book trade
2
KNTPPublishing industry and journalism
4
KJMV8Purchasing and supply management
10
WDKPuzzles and quizzes
1
GPSEQualitative research methods
13
KJMQQuality Assurance (QA) and Total Quality Management (TQM)
2
GPSDQuantitative research methods
20
PNRPQuantum and theoretical chemistry
15
PHQQuantum physics (quantum mechanics and quantum field theory)
1005
JBFA1Racism and racial discrimination
32
TJKDRadar technology
2
ATLRadio
6
TJKRRadio technology
3
MJCL1Radiotherapy
5
TRFRailway technology, engineering and trades
15
TRFTRailway trades
2
PBKBReal analysis, real variables
42
GTFReception or Interpretation studies
3
GBCReference works
1
GReference, Information and Interdisciplinary subjects
13
JBFGRefugees and political asylum
6
MKHRegenerative medicine
13
MKHCRegenerative medicine: stem cells
14
GTMRegional
8
KCVSRegional
15
MFCRRegional anatomy
9
RPRegional and area planning
6
RGLRegional geography
4
MFGGRegional physiology
25
JPRRegional, state and other local government
5
JPRBRegional, state and other local government policies
13
LNTM2Regulation of medicines and medical devices
3
LNDB7Regulation of public services
2
PDJRegulation of science and experimentation
5
LNCCRegulatory compliance
2
MQVRehabilitation
11
JKVQ1Rehabilitation of offenders
7
VXHKReiki and energy healing
3
UNARRelational databases
15
VFVRelationships and families: advice, topics and issues
13
VFVNRelationships: friends
2
PHRRelativity physics
344
TGPRReliability engineering
13
QRReligion and beliefs
4
QRAM2Religion and politics
23
QRAM3Religion and science
27
QRVLReligion: death and dying
1
QRAB9Religion: Eschatology
1
QRAReligion: general
6
AGRReligious and ceremonial arts
2
QRVS1Religious and spiritual figures
4
JPFRReligious and theocratic ideologies and movements
1
QRVP7Religious aspects of sexuality, gender and relationships
2
QRVP5Religious counselling
1
QRAM1Religious ethics
5
QRVP2Religious Festivals
3
QRVSReligious institutions and organizations
1
QRAM9Religious intolerance, persecution and conflict
3
QRAMReligious issues and debates
4
LNDGReligious law and concordats
1
QRVPReligious life and practice
3
QRVS3Religious ministry and clergy
2
QRVS4Religious mission and Religious Conversion
1
QRVQReligious sites
3
MJRRenal medicine and nephrology
9
DNPReportage, journalism or collected columns
75
MFKCReproductive medicine
2
WNGSReptiles and amphibians as pets
2
KJMV6Research and development management
14
GPResearch and information: general
3
GPSResearch methods
103
MJLRespiratory medicine
15
VFDB2Respiratory system: health and conditions
3
RNKH2Restoration ecology
21
KNPRetail and wholesale industries
9
VSRRetirement
2
JPWQRevolutionary groups and movements
5
NHTVRevolutions, uprisings, rebellions
24
MJMRheumatology
8
JPFMRight-of-centre democratic ideologies and movements
2
GPQDRisk assessment
10
RGBGRivers and lakes
1
WGCQRoad and motor vehicles: Camper vans, Recreational vehicles
1
TRCTRoad transport and haulage trades
15
TJFM1Robotics
318
WDHWRole-playing, war games and fantasy sports
16
SMXRollerblading, skateboarding, etc
2
QRSLRoman religion and mythology
1
FRSRomance: multiple partners
1
SPNLRowing and sculling
1
JBSCRural communities
6
RPGRural planning and policy
4
AVLKSacred and religious music
2
QRVASacred texts, scriptures and revered writings
1
LNDLSafety and police law, regulatory and weapons law
2
SPNGSailing
2
KJSSales and marketing
48
KJMV7Sales and marketing management
46
TQSSanitary and municipal engineering
1
UFLSSAP (Systems, applications and products in databases)
24
TJKSSatellite communication technology
5
TTBSScanning systems and technology
4
FLScience fiction
5
FLUScience fiction: aliens
77
FLQScience fiction: apocalyptic and post-apocalyptic
18
FLJScience Fiction: cosy
4
FLPBScience fiction: cyberpunk
1
FLRScience fiction: military
2
FLWScience fiction: space exploration
200
FLSScience fiction: space opera
35
FLMScience fiction: steampunk
1
FLGScience fiction: time travel
2
PDKScience funding and policy
70
PDScience: general issues
64
MBRSciences in medicine and healthcare
6
PDNScientific equipment, experiments and techniques
10
PDMScientific research
63
PDDScientific standards, measurement etc
5
CBVSScreenwriting techniques
5
AFKBSculpture
5
WNCS1Sea life and the seashore: general interest
24
NHWR7Second World War
60
JBSXSecret societies
1
TTVSSecurity, safety and protection skills
3
RBGBSedimentology and pedology
7
VSSelf-help, personal development and practical advice
32
VSZSelf-sufficiency and sustainable lifestyle(s)
5
CFGSemantics, discourse analysis, stylistics
33
GTDSemiotics
65
TJSSensors
14
PSAN4Sensory and motor systems
23
LNFX1Sentencing and punishment
1
VFVSSeparation and divorce
1
GBCSSerials, periodicals, abstracts, indexes
1
UKFServers
7
KCVQService sector economics
1
PBCHSet theory
20
RGCUSettlement, urban and rural geography
6
JBFWSex and sexuality, social aspects
8
VFVCSex and sexuality: advice, topics and issues
10
JBFK2Sexual abuse and harassment
11
MJCJ1Sexually transmitted infections
7
TRLDShip design and naval architecture
16
TRLShipbuilding technology, engineering and trades
9
WGGDShips: Liners and other ocean-going vessels
1
WJSShopping guides
1
FYBShort stories
3
CFZSign languages, Braille and other linguistic communication
5
TJKHSignal processing
35
AVSASinging: techniques
2
STAN2Ski jumping
1
NHTSSlavery, enslaved persons and abolition of slavery
28
QRSVSlavic religion and mythology
1
MKZSSleep disorders and therapy
6
KJVSSmall businesses and self-employment
11
TVMSmallholdings
1
UDYSmart home technology and virtual assistants: consumer
5
JHMCSocial and cultural anthropology
22
NHTBSocial and cultural history
78
JBFSocial and ethical issues
36
QDTSSocial and political philosophy
85
JBFXSocial attitudes
22
JBSASocial classes
18
JBFASocial discrimination and social justice
18
JBFZSocial forecasting, future studies
45
RGCSSocial geography
3
JBSSocial groups, communities and identities
7
JBSWSocial groups: alternative lifestyles
1
JBSYSocial groups: clubs and societies
3
JBFFSocial impact of disasters
10
RNTSocial impact of environmental issues
50
LNTH1Social insurance law
1
UDBSSocial media
10
MBNDSocial medicine
18
JBFQSocial mobility
4
JNESocial pedagogy
3
JHBCSocial research and statistics
15
LNTHSocial security and welfare law
1
JHBASocial theory
8
JKSSocial welfare, social policy and social services
13
JKSNSocial work
4
JMHSocial, group or collective psychology
81
JBSociety and culture: general
9
JSociety and Social Sciences
17
CFBSociolinguistics
38
JHBSociology
12
JHSociology and anthropology
1
JHBZSociology: death and dying
5
JHBKSociology: family, kinship and relationships
10
JHBSSociology: sport and leisure
3
JHBLSociology: work and labour
8
PHFC1Soft matter physics
4
VSSSoft skills and dealing with other people
24
UMZSoftware Engineering
90
UMZTSoftware testing and verification
32
TNCCSoil and rock mechanics
9
TVBPSoil science and management
5
THVSSolar power
218
PGSSolar system: the Sun and planets
338
THFSSolid fuel technology
2
PNRSSolid state chemistry
4
VXHVSound therapies
1
TTDXSpace exploration
547
TTDSpace science
278
UYYSpatial computing
1
CBPSpeaking in public: advice and guides
26
JWCSSpecial and elite forces
2
NHWR1Specific battles
15
NHWRSpecific wars and military campaigns
3
PNFSSpectrum analysis, spectrochemistry, mass spectrometry
13
MKZLSpeech and language disorders and therapy
12
UYQSSpeech recognition
9
DNSSpeeches
45
QRVKSpirituality and religious experience
9
SCGFSport science, physical education
8
SCSport: general
3
SCBVSporting venues
1
SSports and Active outdoor recreation
1
FGSports fiction
1
MKWSports injuries and medicine
4
SCBMSports management and facilities
3
SCGPSports psychology
13
SCGSports training and coaching
8
UFCSpreadsheet software
15
URWSpyware
3
WZSStationery items
1
PHSStatistical physics
75
PBWLStochastics
52
UKSStorage media and peripherals
15
RBGHStratigraphy
1
JKVJStreet crime
1
TNCStructural engineering
8
QDHR7Structuralism and Post-structuralism
12
VSKBStudent life
6
JNZStudy and learning skills: general
19
VFJX1Suicide: Coping with
1
UKCSupercomputers
11
PNRXSurface chemistry and adsorption
2
MNSurgery
3
MQCL6Surgical nursing
1
MNKSurgical oncology
2
MNSSurgical orthopaedics and fractures
3
MNBSurgical techniques
3
TNCBSurveying, quantity surveying
2
VSYSurvivalism
3
RNUSustainability
63
TVFSustainable agriculture
25
WBLSustainable food
2
SPCSSwimming
1
UTESystem administration
5
QRVG2Systematic theology
1
UYDSystems analysis and design
16
LAFRSystems of law: Roman law
1
SFTDTable tennis
1
SRMN1Tai Chi
1
KJVBTakeovers, mergers and buy-outs
10
LNUTaxation and duties law
4
LNUYTaxation procedure
1
TTXTaxidermy
2
PSABTaxonomy and systematics
1
JNMTTeacher training
19
JNUMTeachers’ classroom resources and material
2
JNUTeaching of a specific subject
30
JNSPTeaching of gifted or talented students
1
JNTSTeaching of reading, writing and numeracy
5
JNSTeaching of students with different educational needs
3
JNSGTeaching of students with learning difficulties or disorders
4
JNSLTeaching of students with social, emotional or behavioural difficulties or disorders
1
JNTTeaching skills and techniques
18
JNKHTeaching staff
9
TBDTechnical design
3
AVSTechniques of music
7
TTechnology, Engineering, Agriculture, Industrial processes
1
TBTechnology: general issues
20
VFXC1Teenagers: advice for parents
2
MBGTTelemedicine
4
ATJTelevision
41
ATJXTelevision production: technical and background skills
4
ATJDTelevision screenplays, scripts and performances
3
TJKVTelevision technology
4
ATJS1Television: reality shows
15
ATJSTelevision: styles and genres
20
JPWLTerrorism, armed struggle
15
TGMTTesting of materials
5
AFWTextile arts and artworks
2
TDPFTextiles and fibres
1
VXPRThe afterlife, reincarnation and past lives
4
AThe Arts
1
ABThe arts: general topics
18
AGZThe Arts: techniques and principles
9
WNDThe countryside, country life: general interest
2
WNWThe Earth: natural history: general interest
7
RNThe environment
15
NHTZ1The Holocaust
12
QRPF1The Koran (Qur’an)
2
AGThe visual, decorative or fine arts: treatments and subjects
1
ATDFTheatre direction and production
1
ATDTheatre studies
26
QRVGTheology
8
PGCTheoretical and mathematical astronomy
76
AMATheory of architecture
26
ABATheory of art
55
AVATheory of music and musicology
24
JWATheory of warfare and military science
3
MKZTherapy and therapeutics
5
PNRWThermochemistry and chemical thermodynamics
12
PHHThermodynamics and heat
35
TDPJTimber and wood processing
3
PGZTime (chronology), time systems and standards
47
KJMTTime management
16
QDTTopics in philosophy
1
PBPTopology
41
RGCTTourism geography
3
SHBTrack and field sports, athletics
1
KNXUTrade unions
6
LNRFTrademarks law
2
AVLTTraditional and folk music
5
WJYTraditional rituals and ceremonies
1
TTVRTraditional trades, crafts and skills
8
WGFTrains and railways: general interest
4
LNCGTransformation law, change of corporate form
9
CFPTranslation and language interpretation
7
MNQTransplant surgery
4
KNGTransport industries
11
RPTTransport planning and policy
22
TRTransport technology and trades
7
MKPBTrauma and shock
3
WTTravel and holiday
1
WTHTravel and holiday guides
3
WTHATravel guides: adventure holidays
2
WTHLTravel guides: cities
1
WTHYTravel guides: road travel
1
WTHTTravel guides: theme parks and funfairs
1
WTDTravel tips and advice: general
2
WTLTravel writing
6
WNPTrees, wildflowers and plants: general interest
2
TGBFTribology (friction and lubrication)
1
PBMBTrigonometry
9
WDKXTrivia and quiz questions
2
MKVTTropical medicine
2
DNXCTrue crime
16
DNXC2True crime: cold cases
4
DNXC3True crime: serial killers and murderers
4
DNXTrue stories
11
DNXHTrue stories of discovery
14
DNXPTrue stories of heroism, endurance and survival
11
DNXRTrue stories of survival of abuse and injustice
1
DNXMTrue war and combat stories
3
WBBTV
1
VXQBUFOs and extraterrestrial beings
19
SPCAUnderwater (sub-aqua) swimming
1
NKRUnderwater archaeology
4
VXQUnexplained phenomena
6
RPCUrban and municipal planning and policy
69
AGTSUrban arts
6
JBSDUrban communities
12
TVUUrban farming
3
MJSUrology and urogenital medicine
6
CBGUsage and grammar guides
1
UYZGUser interface design and usability
21
MBNKVaccination
31
MNJVascular surgery
1
KNDRVehicle and transport manufacturing industries
17
WGCVVehicle maintenance and manuals
2
SMVehicle sports
1
MZMPVeterinary bacteriology, virology, parasitology
5
MZVeterinary medicine
3
MZMVeterinary medicine: diseases and therapeutics
6
MZAVeterinary medicine: general
3
MZDVeterinary medicine: large animals
1
MZABVeterinary medicine: research
1
MZCVeterinary medicine: small animals
2
MZLVeterinary nutrition
1
JKVVVictimology and victims of crime
2
AJTVVideo photography
1
JBFKViolence and abuse in society
14
NHTXViolence, intolerance and persecution in history
17
JKVNViolent crimes
1
UYVVirtual reality
6
UTVVirtualization
3
RBCVolcanology and seismology
38
SZCWalking, hiking, trekking
1
JWLWar and defence operations
5
JWXKWar crimes
2
JWWarfare and defence
2
RNHWaste management
21
TQSRWaste treatment and disposal
19
LNKPWater and wastewater law
1
KNBWWater industries
2
TQSWWater supply and treatment
14
PHDSWave mechanics (vibration and acoustics)
43
JWMWeapons and equipment
2
WNWMWeather and climate: general interest
2
UGBWeb graphics and design
24
UMWWeb programming
83
UMWSWeb services
2
VFMG2Weight
7
JKSBWelfare and benefit systems
21
KCVKWelfare economics
2
QDHRWestern philosophy from c 1800
18
QDHMWestern philosophy: Enlightenment
10
KNXHWhistleblowing
1
WNCSWildlife: aquatic creatures: general interest
3
WNCBWildlife: birds and birdwatching: general interest
8
WNCNWildlife: butterflies, other insects and spiders: general interest
4
WNCWildlife: general interest
15
WNCFWildlife: mammals: general interest
29
WNCKWildlife: reptiles and amphibians: general interest
9
AVRNWind instruments
1
THVWWind power
32
WBXD1Wines
2
VFDWWomen’s health
5
UFDWord processing software
2
JNRDWork experience, placements and internships
2
KJWXWorking patterns and practices
9
SCBCWorld Cups and World championships
2
QRVJ1Worship, rites, ceremonies and rituals
1
CBWWriting and editing guides
28
CFLAWriting systems, alphabets, scripts
5
QDHC2Yoga (as a philosophy)
2
QRFB23Zen Buddhism
1
PSVZoology and animal sciences
22
PSVFZoology: amphibians and reptiles (herpetology)
18
PSVJZoology: birds (ornithology)
10
PSVCZoology: fishes (ichthyology)
13
PSVAZoology: invertebrates
9
PSVMZoology: mammals (mammalogy)
17
PSVM2Zoology: marine and freshwater mammals
4
PSVM3Zoology: primates (primatology)
7