Wikipedia:Dewey Decimal System

Here you can find an attempt to organize Wikipedia's contents along the lines of the Dewey Decimal Classification, a commonly used system to organize volumes within a library. This is one of several Wikipedia category schemes.

0 Generalities - reference, computing, the Internet, library and information science, museums, news, publishing

1 Philosophy and Psychology - ethics, paranormal phenomena

2 Religion - bibles, religions of the world

3 Social Sciences - sociology, anthropology, statistics, politics, economics, law, government, public administration, social services, education, commerce, communications, standards, customs

4 Language - linguistics, language learning, specific languages

5 Natural Sciences and Mathematics - general science, mathematics, astronomy, physics, chemistry, earth sciences, palaeontology, biology, genetics, botany, zoology

6 Technology (Applied sciences) - medicine, psychiatry, applied physics, engineering, agriculture, home economics, management, accounting, chemical engineering, food technology, metallurgy, manufacturing

7 Arts - art, planning, architecture, photography, music, games, sport

8 Literature and Rhetoric - literature of specific languages

9 Geography and History - geography and history of the ancient and modern world, archaeology

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Copyright notice: The Dewey Decimal System may be copyrighted; the one created by the Library of Congress is not. See the copyright holder's (http://www.oclc.org/dewey/about/frequently_asked_questions.htm ) FAQ and (http://www.oclc.org/dewey/about/ddc_21_summaries.htm ) summary page which imply a license is needed, but contrast this with (http://caselaw.lp.findlaw.com/scripts/getcase.pl?navby=search&case=/data2/circs/7th/953485 ) this legal precedent. Also, the DDC has been around since 1876; any version published earlier than 1923 - or (http://www.unc.edu/~unclng/public-d.htm ) possibly later - has passed into the public domain and is perfectly legal to use.