Library Of Congress System

Used by the Library Of Congress (Washington DC, USA) is an alpha-numeric code with the principal categories represented by a 2 letter code.

• A General Works
  • AE Encyclopedias
  • AI Indexes

• B Philosophy, Psychology, Religion
  • B-BD Philosophy
  • BF Psychology
  • BL-BX Mythology, Religion

• C Auxiliary Sciences to History
  • CB History of Civilisation
  • CC Archaeology
  • CS Genealogy
  • CT Biography

• D History (outside of North America)
  • D Ancient and World History
  • DA England (Great Britian)
  • DC France
  • DD Germany
  • DS Asia
  • DT Africa

• E-F History: North America
  • E 1-143 America (general)
  • E 151-857 United States (general)
  • F 1-957 U.S. ( states and local)
  • F 1001-1140 Canada
  • F 1209-1226 Mexico

• G Geography, Maps, Anthropology, Folklore, Recreation
  • GN Anthropology
  • GR Folklore
  • GT Manners and Customs
  • GV Recreation (sports)

• H Social Sciences
  • HA Statistics
  • HB-HD Economics
  • HE Transportation
  • HF Commerce
  • HG Finance
  • HM Sociology
  • HQ Family Life
  • HV Social Pathology

• J Political Science
  • JA-JC Political Theory
  • JF Constitutional History
  • JK United States Politics and Government
  • JX International Policies

• K Law

• L Education
  • LA History of Education
  • LB Teaching Methods
  • LC Forms of Education

• M Music
  • M Music Scores
  • ML Literature of Music
  • MT Music Instruction

• N Fine Arts
  • NA Architecture
  • NC Grapic Arts
  • ND Painting
  • NK Decorative Art

• P Philology and Linguistics. Languages and Literature.
  • PA Classical Literature
  • PC Romance Languages
  • PE English Languages, Writing Guides
  • PN General and Comparative Literature
  • PQ Romance Literature
  • PR English Literature
  • PS American Literature
  • PZ Juvenile Literature

• Q Science

• R Medicine

• S Agriculture

• T Technology (Oddly enough, computers are in QA. If only there were more QA in computers ...)

• U-V Military Science, Naval Science

• Z Bibliography and Library Science

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New letters are needed in our alphabet!

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Actually not. It is controlled by divisions within the divisions, a numbering system and cutter number created with infomation from the author's name. Not perfect but better than it could be. TK has most of the web stuff.

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Is the scheme protected by intellectual property laws (copyrights etc.)?

No; as a project of the US government it is required to be PublicDomain

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I simply DateStamp and then AlphabetizeEverything --AnonymousDonor

Categories be damned, eh?

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CategoryOrganization