Library of Congress Classification Main Classes and Sub-classes

      A: General Works

      AC Collections, Series, Collected Works.

      AE Encyclopedias

      AG Dictionaries and Other General Reference Works.

      AI Indexes

      AM Museums

      AN Newspapers

      AP Periodicals

      AS Academies and learned societies

      AY Yearbooks,almanacs,directories

      AZ History of Scholarship and Learning. The Humanities.

      B: Philosophy, Psychology, Religion

      B Philosophy (General).

      BC Logic

      BD Speculative philosophy

      BF Psychology

      BH Aesthetics

      BJ Ethics

      BL Religions, mythology, rationalism

      BM Judaism

      BP Islam, Bahaism, Theosophy

      BR Christianity (General)

      BS The Bible

      BT Doctrinal theology

      BV Practical theology

      BX Denominations and sects

      C: Auxiliary Sciences of History

      C Auxillary Sciences of History (General)

      CB History of civilization & culture

      CC Archaeology (General)

      CD Diplomatics, archives, seals

      CE Chronology

      CJ Numismatics

      CN Epigraphy

      CR Heraldry

      CS Genealogy

      CT Biography (General)

      D: History - General & Eastern Hemisphere

      D General World History.

      DA Great Britain

      DB Austria, Czechoslovakia, Hungary

      DC France

      DD Germany

      DE Mediterranean, Greco-Roman world

      DF Greece

      DG Italy

      DH - DJ Netherlands, Belgium, Luxembourg

      DK Russia

      DL Northern Europe

      DP Spain, Portugal

      DQ Switzerland

      DR Eastern Europe; Turkey

      DS Asia

      DT Africa

      DU Oceania, Australia, New Zealand

      DX Gypsies

      E & F: History - Western Hemisphere

      E America (General), United States

      F1-975 United States local history

      F1001-1140 Canada

      F1201-1392 Mexico

      F1401-3799 Central and South America, the Caribbean area

      G: Geography, Anthropology, Recreation

      G General Geography, Atlases, Maps.

      GA Mathematical geography, cartography

      GB Physical geography

      GC Oceanography

      GF Human ecology

      GN Anthropology

      GR Folklore

      GT Manners and customs

      GV Sports and recreation

      H: Social Sciences and Business

      H General Social Sciences.

      HA Statistics

      HB Economic theory

      HC Economic history and conditions

      HD Land, agriculture, industry

      HE Transportation and communication

      HF Commerce

      HG Finance

      HJ Public finance

      HM Sociology

      HN Social history

      HQ Social groups; the family, marriage, women

      HS Societies and clubs

      HT Communities, classes, races

      HV Social pathology, criminology, welfare

      HX Socialism, communism, anarchism

      J: Political Science

      J General Legislative and Executive Papers.

      JA Collections and general works

      JC Political theory

      JF Constitutional history and administration

      JK U.S. constitutional history

      JS Local government

      JV Colonization, emigration and immigration

      JX International law, international relations

      K: Law

      K Law (General)

      KD Law of ?England and Wales

      KDC Law of Scotland

      KDE Law of Northern Ireland

      KDG Law of Isle of Man. Channel Islands

      KDK Law of Ireland

      KE Law of Canada

      KF United States law

      L: Education

      L Education (General)

      LA History of education

      LB Theory and practice

      LC Special aspects

      LD Individual U.S. institutions

      LH College and school publications

      LJ Student fraternities and societies

      LT Textbooks (General)

      M: Music

      M Music (General)

      ML Literature of music

      MT Music instruction and study

      N: Fine Arts

      N Visual arts (General)

      NA Architecture

      NB Sculpture

      NC Drawing, design, illustration

      ND Painting

      NE Print media

      NK Decorative arts, applied art

      NX Arts in general

      P: Language and Literature

      P Linguistics

      PA Greek and Latin

      PB Modern European languages; Celtic languages

      PC Romance languages

      PD Old Germanic and Scandinavian languages

      PE English language

      PF Dutch, Flemish, German languages

      PG Slavic languages and literature

      PH Finno-Ugrian and Basque languages and literature

      PJ Middle Eastern languages and literature

      PK Indo-Iranian languages and literature

      PL East Asian, African, and Oceanic languages and literature

      PM American Indian; artificial languages

      PN Literature; literary history and collections

      PQ Romance literature

      PR English Literature

      PS American literature

      PT Germanic literature

      PZ Children's literature

      Q: Science

      Q Science (General)

      QA Mathematics

      QB Astronomy

      QC Physics

      QD Chemistry

      QE Geology

      QH Natural history (General)

      QK Botany

      QL Zoology

      QM Human anatomy (Health Sciences Library, 3rd floor)

      QP Physiology (Health Sciences Library, 3rd floor)>

      QR Microbiology (Health Sciences Library, 3rd floor)

      R: Medicine

      R Medicine (General)

      RA Public aspects of medicine

      RB Pathology

      RC Internal medicine

      RD Surgery

      RE Ophthalmology

      RF Otorhinolaryngology

      RG Gynecology and obstetrics

      RJ Pediatrics

      RK Dentistry

      RL Dermatology

      RM Therapeutics; pharmacology

      RS Pharmacy and materia medica

      RT Nursing

      RX Homeopathy

      RZ Other systems of medicine

      S: Agriculture

      S Agriculture (General)

      SB Plant culture

      SD Forestry

      SF Animal culture

      SH Aquaculture, fisheries, fishing

      SK Hunting

      T: Technology

      T Technology (General)

      TA Engineering (General)

      TC Hydraulic engineering

      TD Environmental technology

      TE Highway engineering

      TF Railroad engineering

      TG Bridge engineering

      TH Building construction

      TJ Mechanical engineering and machinery

      TK Electrical engineering; electronics

      TL Motor vehicles; aeronautics; astronautics

      TN Mining engineering; metallurgy

      TP Chemical technology

      TR Photography (Fine Arts Library, 2nd floor)

      TS Manufactures

      TT Handicrafts; arts and crafts

      TX Home economics; cooking

      U: Military Science

      U Military Science (General)

      UA Armies: Organization, Distribution, Military situations

      UB Military Administration

      UC Maintenance and transportation

      UD Infantry

      UE Cavalry, Armor

      UF Artillery

      UG Military engineering

      UH Other services

      V: Naval Science (General)

      V Naval Science (General)

      VA Navies: Organization, Distribution, Naval situation

      VB Naval Administration

      VC Naval Maintenance

      VD Naval Seamen

      VE Marines

      VF Naval Ordnance

      VG Minor services of Navies

      VK Navigation, Merchant Marine

      VM Naval Architecture, Shipbuilding, Marine Engineering

      Z Bibliography; Library Science

      Z Books (General). Writing. Paleography.

      Z Book Industries and Trade

      Z Libraries

      Z General Bibliography

      Z National Bibliography

      Z Subject Bibliography

      Z Personal Bibliography

      ZA Information Resources

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