Browse by Subjects

Please select a value to browse from the list below.

Library of Congress Subject Areas (45378)
- A General Works (250)
  - AC Collections. Series. Collected works (11)
  - AI Indexes (General) (1)
  - AM Museums (General). Collectors and collecting (General) (13)
  - AS Academies and learned societies (General) (3)
  - AZ History of Scholarship The Humanities (106)
- B Philosophy. Psychology. Religion (4703)
  - B Philosophy (General) (664)
  - BC Logic (68)
  - BD Speculative Philosophy (45)
  - BF Psychology (2939)
    - BF41 Psychology and philosophy (17)
    - BF51 Psychology and Religion (1)
    - BF575.E55 Empathy (1)
  - BH Aesthetics (92)
  - BJ Ethics (125)
  - BL Religion (388)
  - BM Judaism (12)
  - BP Islam. Bahaism. Theosophy, etc (18)
  - BQ Buddhism (10)
  - BR Christianity (108)
  - BS The Bible (20)
  - BT Doctrinal Theology (22)
  - BV Practical Theology (14)
    - BV1460 Religious Education (6)
  - BX Christian Denominations (4)
- C Auxiliary Sciences of History (479)
  - C Auxiliary sciences of history (General) (74)
  - CB History of civilization (73)
  - CC Archaeology (378)
  - CD Diplomatics. Archives. Seals (9)
    - CD921 Archives (1)
  - CN Inscriptions. Epigraphy. (4)
  - CR Heraldry (1)
  - CS Genealogy (1)
  - CT Biography (16)
- D History General and Old World (1869)
  - D History (General) (608)
    - D051 Ancient History (25)
    - D111 Medieval History (57)
    - D204 Modern History (68)
    - D501 World War I (24)
    - D731 World War II (22)
    - D839 Post-war History, 1945 on (8)
    - D880 Developing Countries (1)
    - D890 Eastern Hemisphere (1)
    - D901 Europe (General) (38)
  - DA Great Britain (223)
    - DAW Central Europe (1)
  - DB Austria (6)
  - DC France (65)
  - DD Germany (35)
  - DE The Mediterranean Region. The Greco-Roman World (188)
  - DF Greece (23)
  - DG Italy (31)
  - DH Netherlands (The Low Countries) (8)
  - DJ Netherlands (Holland) (3)
    - DJK Eastern Europe (1)
  - DK Russia. Soviet Union. Former Soviet Republics (11)
  - DL Northern Europe. Scandinavia (2)
  - DP Spain (8)
  - DR Balkan Peninsula (11)
  - DS Asia (40)
  - DT Africa (49)
  - DU Oceania (South Seas) (2)
- E History America (109)
  - E11 America (General) (19)
  - E151 United States (General) (28)
- F History United States, Canada, Latin America (83)
  - F001 United States local history (6)
  - F1001 Canada (General) (5)
  - F1201 Latin America (General) (56)
- G Geography. Anthropology. Recreation (1700)
  - G Geography (General) (178)
  - GA Mathematical geography. Cartography (9)
  - GB Physical geography (8)
  - GC Oceanography (1)
  - GE Environmental Sciences (417)
  - GF Human ecology. Anthropogeography (89)
  - GN Anthropology (1021)
  - GR Folklore (5)
  - GT Manners and customs (17)
  - GV Recreation Leisure (140)
    - Dance (13)
    - Sports sciences (40)
- H Social Sciences (11232)
  - H Social Sciences (General) (3725)
  - HA Statistics (712)
    - HA33 Management Science (508)
  - HB Economic Theory (552)
  - HC Economic History and Conditions (114)
  - HD Industries. Land use. Labor (454)
    - HD28 Management. Industrial Management (289)
    - HD29 Operational Research - Applications (51)
    - HD61 Risk Management (11)
  - HE Transportation and Communications (102)
  - HF Commerce (340)
    - HF5351 Business (188)
    - HF5415 Marketing (48)
    - HF5548.32 E-commerce (14)
    - HF5601 Accounting (70)
  - HG Finance (355)
  - HJ Public Finance (66)
  - HM Sociology (1221)
  - HN Social history and conditions. Social problems. Social reform (273)
  - HQ The family. Marriage. Woman (216)
    - HQ1236 Gender Politics (52)
    - HQ21 Sexual behavior and attitudes (13)
    - HQ755 Popular works. Guidebook for parents (27)
      - HQ755.8 Parents. Parenthood (27)
    - HQ767.9 Children. Child developement (2)
    - HQ773.8 Children with autism spectrum disorders. (1)
  - HS Societies secret benevolent etc (13)
  - HT Communities. Classes. Races (161)
  - HV Social pathology. Social and public welfare (1025)
    - HV1568 Disability studies (259)
    - HV27 Philanthropists (18)
    - HV3008 Mental handicap and social care (72)
    - HV40 Charities (16)
    - HV4545 Mendicancy. Vagabondism. Tramps. Homelessness (Great Britain) (3)
    - HV5001 Alcohol use and miuse (48)
    - HV5800 Drug use and miuse (47)
    - HV59 Institutional care/home care (9)
    - HV9069 Delinquency studies (17)
  - HX Socialism. Communism. Anarchism (57)
- J Political Science (1943)
  - J General legislative and executive papers (2)
  - JA Political science (General) (219)
  - JC Political theory (214)
  - JF Political institutions (General) (95)
  - JK Political institutions (United States) (30)
  - JL Political institutions (America except United States) (7)
  - JN Political institutions (Europe) (261)
    - JN101 Great Britain (39)
    - JN1187 Scotland (3)
  - JQ Political institutions Asia (26)
  - JS Local government Municipal government (18)
  - JV Colonies and colonization. Emigration and immigration. International migration (56)
  - JX International law (23)
  - JZ International relations (698)
- K Law (2202)
  - K Law (General) (495)
  - KD England and Wales (58)
  - KF United States Federal Law (7)
  - KZ Law of Nations (27)
- L Education (514)
  - L Education (General) (98)
  - LA History of education (13)
  - LB Theory and practice of education (230)
    - LB1501 Primary Education (4)
    - LB1603 Secondary Education. High schools (13)
    - LB2300 Higher Education (185)
    - LB2361 Curriculum (11)
  - LC Special aspects of education (91)
    - LC1200 Inclusive education (1)
    - LC4717.5 Autistic children and youth (14)
    - LC5201 Education extension. Adult education. Continuing education (61)
  - LF Individual institutions (Europe) (2)
  - LG Individual institutions (Asia. Africa) (1)
  - LT Textbooks (9)
- M Music and Books on Music (205)
  - M Music (153)
  - ML Literature of music (17)
  - MT Musical instruction and study (5)
- N Fine Arts (2294)
  - N Visual arts (General) For photography, see TR (410)
  - NA Architecture (588)
    - NA2545.A1 Architecture and people with disabilites (3)
      - NA2545.M4 People with mental disabilities (2)
  - NB Sculpture (32)
  - NC Drawing Design Illustration (39)
  - ND Painting (38)
  - NE Print media (32)
  - NK Decorative arts Applied arts Decoration and ornament (84)
  - NX Arts in general (234)
- P Language and Literature (3949)
  - P Philology. Linguistics (329)
    - P90 Communication. Mass Media (9)
    - P95.8 Communication. Political aspects. (5)
  - PA Classical philology (135)
  - PB Modern European Languages (inc film, TV and radio studies) (387)
    - PB1501 Gaelic (Scottish Gaelic, Erse) (2)
    - PB2985 Radio and Television Studies (22)
    - PB2994 Film Studies (257)
  - PC Romance languages (144)
  - PD Germanic languages (67)
  - PE English (394)
  - PG Slavic, Baltic, Albanian languages and literature (3)
  - PI Oriental languages and literatures (16)
  - PJ Semitic (3)
  - PL Languages and literatures of Eastern Asia, Africa, Oceania (13)
  - PN Literature (General) (967)
    - PN0080 Criticism (115)
    - PN0441 Literary History (99)
    - PN1655 Drama (80)
    - PN1969.C65 Comedy Acts (11)
    - PN1990 Broadcasting (10)
    - PN1993 Motion Pictures (73)
    - PN2000 Dramatic representation. The Theatre (225)
    - PN4731 Journalism (16)
    - PN865 Comparative Literature (37)
  - PQ Romance literatures (308)
    - Hispanic Studies (69)
  - PR English literature (555)
  - PS American literature (123)
  - PT Germanic literature (139)
  - PZ Childrens literature (6)
- Q Science (13018)
  - Operations Research - Theory (110)
  - Q Science (General) (582)
    - Q180.55.M67 Research - Moral and ethical aspects (1)
    - Q335 Artificial intelligence (290)
  - QA Mathematics (inc Computing science) (5101)
    - QA 11 Studying and teaching mathematics (2)
    - QA 75 Electronic computers. Computer science (442)
    - QA 76 Software, computer programming, (3300)
      - QA76.17 History of computing (4)
      - QA76.575 Multimedia systems (24)
      - QA76.76 Computer software (139)
        QA76.76.I59 Interactive media, hypermedia (23)
      - QA76.76.E95 Expert Systems (Intelligent Knowledge Based Systems) (54)
      - QA76.87 Neural computers, neural networks (56)
      - QA76.9.C58 Computational grids (3)
      - QA76.9.H85 Human computer interaction (80)
    - QA 8 Philosophy of mathematics (5)
    - QA 9 Formal systems, logics (44)
    - QA101 Arithmetic (2)
    - QA150 Algebra (114)
      - QA241 Number theory (18)
    - QA165 Combinatorics (19)
    - QA171 Representation theory (22)
    - QA252 Lie algebras (6)
    - QA252 Lie algebras (6)
    - QA273 Probabilities (92)
    - QA276 Mathematical statistics (334)
    - QA297 Numerical analysis (59)
    - QA299 Analysis, Calculus (94)
    - QA351 Special functions (39)
    - QA372 Ordinary differential equations (70)
    - QA377 Partial differential equations (93)
    - QA387 Basic Lie theory (4)
    - QA440 Geometry (49)
      - QA611 Topology (28)
        QA612 Algebraic topology (17)
    - QA564 Algebraic Geometry (15)
    - QA801 Analytic mechanics (15)
    - QA901 Mechanics of deformable bodies, fluid mechanics (2)
  - QB Astronomy (542)
    - QB460 Astrophysics (241)
    - QB651 Planets, Minor (27)
  - QC Physics (1683)
    - QC173.45 Condensed Matter (365)
    - QC174.12 Quantum theory (31)
      - QC174.26.W28 Topological solitons (5)
    - QC176 Solid state physics (137)
    - QC176.8.N35 Nanoscience, nanotechnology (114)
    - QC20 Mathematical Physics (58)
    - QC355 Optics (133)
    - QC411 Interference (12)
    - QC807 Geophysics (for Applied Geophysics see TN269) (7)
  - QD Chemistry (1224)
    - Analytical Chemistry (16)
    - QD156 Inorganic synthesis (13)
    - QD431 Organic Chemistry- Biochemistry- Proteins, peptides, amino acids (35)
    - QD473 Physical properties in relation to structure (66)
    - QD478 Solid State Chemistry (337)
  - QE Geology (30)
    - QE515 Geochemistry (20)
    - QE516.4 Environmental geochemistry (4)
  - QH Natural history (1184)
    - QH301 Biology (371)
    - QH324.2 Computational biology (12)
    - QH426 Genetics (324)
    - QH541 Ecology (221)
    - QH581.2 Cell Biology (21)
    - QH75 Conservation (Biology) (384)
  - QK Botany (78)
  - QL Zoology (237)
  - QM Human anatomy (58)
  - QP Physiology (Living systems) (556)
    - QP506 Molecular biology (166)
    - QP517 Biochemistry (265)
  - QR Microbiology (450)
    - QR180 Immunology (74)
    - QR355 Virology (126)
- R Medicine (2716)
  - R Medicine (General) (592)
    - R119.9 Telecommunication in medicine, Telemedicine (10)
    - R723 Medical ethics (11)
    - R729 Types of medical practice (46)
      - R729.5.G4 General practice (42)
    - R857.O6 Optical coherence tomography (248)
    - R858 Medical informatics (19)
    - R895 Nuclear Medicine (5)
  - RA Public aspects of medicine (679)
    - RA0421 Public health. Hygiene. Preventive Medicine (285)
    - RA1001 Forensic Medicine. Medical jurisprudence. Legal medicine (6)
    - RA638 Immunity and immunization in relation to public health (6)
    - RA645.E64 Epilepsy (1)
    - RA784 Nutrition (11)
    - RA788 Sexual health (8)
    - RA790 Mental health (37)
  - RB Pathology (14)
  - RC Internal medicine (618)
    - RC0254 Neoplasms. Tumors. Oncology (including Cancer) (90)
    - RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry (202)
    - RC1200 Sports Medicine (147)
    - RC1235 Physiology of sports (54)
    - RC553.A88 Autism. Asperger's syndrome (43)
    - RC554 Personality disorders (1)
    - RC667 Diseases of the circulatory (cardiovascular) system (16)
    - RC78.7.T6 Tomography (1)
    - RC952 Geriatrics (89)
  - RD Surgery (55)
  - RE Ophthalmology (16)
  - RF Otorhinolaryngology (6)
  - RG Gynecology and obstetrics (19)
    - RG551 Pregnancy (8)
  - RJ Pediatrics (66)
    - RJ101 Child Health. Child health services (49)
    - RJ506.A9 Autism. Infantile autism. Asperger's syndrome (2)
    - RJ506.P28 Pathological demand avoidance syndrome (1)
    - RJ550 Diseases of adolescence. Adolescent medicine (5)
  - RK Dentistry (78)
    - RK301 Oral and dental medicine (5)
  - RL Dermatology (11)
  - RM Therapeutics. Pharmacology (293)
    - RM695 Physical therapy (21)
  - RS Pharmacy and materia medica (162)
  - RT Nursing (113)
  - RV Botanic, Thomsonian, and eclectic medicine (6)
  - RZ Other systems of medicine (55)
- S Agriculture (195)
  - S Agriculture (General) (41)
  - SB Plant culture (6)
  - SD Forestry (26)
  - SF Animal husbandry (25)
  - SH Aquaculture. Fisheries. Angling (15)
- T Technology (3390)
  - T Technology (General) (58)
    - T201 Patents. Trademarks (1)
  - TA Engineering (General). Civil engineering (General) (552)
    - TA 403 Materials Science (40)
    - TA 418.9 Materials of special composition or structure (2)
    - TA1520 Optical Engineering (17)
    - TA1637 Image Analysis, Image Processing (122)
    - TA1650 Facial Recognition systems (11)
    - TA166 Instrumentation (170)
    - TA168 Systems engineering, cybernetics and intelligent systems (69)
  - TD Environmental technology. Sanitary engineering (13)
  - TF Railroad engineering and operation (6)
  - TG Bridge engineering (1)
  - TH Building construction (61)
  - TJ Mechanical engineering and machinery (124)
    - Control engineering (102)
    - Intelligent control systems (15)
  - TK Electrical engineering. Electronics Nuclear engineering (1306)
    - TK5101 Telecommunications (405)
      - TK5102.9 Signal processing (5)
      - TK5103.4 Broadband (inc wireless broadband) (79)
      - TK5103.59 Optical communications, Fibre-optics (134)
      - TK5105 Data transmission systems (7)
        TK5105.5 Computer networks (5)
        TK5105.875.I57 Internet (3)
      - TK5105.888 World Wide Web (technology of) (8)
    - TK6540 Radio (21)
      - TK6570.M6 Mobile communication systems (19)
    - TK6630 Television and video (inc digital video) (6)
    - TK7800 Electronics (see also: telecommunications) (675)
      - TK7871.6 Antennas and waveguides (157)
        TK7871.67.M53 Microwave antennas (32)
      - TK7872.F5 Active filters, Frequency Selective Surfaces (43)
      - TK7874 Microelectronics (6)
      - TK7876 Microwaves (16)
        TK7876.5 Millimetre waves (4)
      - TK7880 Applications of electronics (inc industrial & domestic) (224)
        TK7882.B56 Biometrics (103)
        TK7882.P3 Pattern Recognition (45)
        TK7885 Computer engineering (36)
        TK7895.E42 Embedded Systems (45)
    - TK8300 Optoelectronic devices (61)
    - TK9001 Nuclear engineering (5)
  - TL Motor vehicles. Aeronautics. Astronautics (8)
  - TN Mining engineering. Metallurgy (4)
  - TP Chemical technology (6)
  - TR Photography (32)
    - TR897.7 Computer animation (2)
  - TS Manufactures (4)
  - TT Handicrafts Arts and crafts (3)
  - TX Home economics (4)
    - TX357 Nutrition. Foods and food supply (General special) (4)
- U Military Science (12)
  - U Military Science (General) (7)
- V Naval Science (3)
  - V Naval Science (General) (1)
  - VM Naval architecture. Shipbuilding. Marine engineering (1)
- Z Bibliography. Library Science. Information Resources (107)
  - Z004 Books. Writing. Paleography (28)
  - Z665 Library Science. Information Science (55)
  - Z719 Libraries (General) (15)
  - ZA Information resources (24)
    - ZA4050 Electronic information resources (19)
    - ZA4450 Databases (2)