DDC22
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+ 000 Computer science, information & general works

+ 100 Philosophy & psychology

+ 200 Religion

+ 300 Social sciences

+ 400 Language

+ 500 Science

+ 600 Technology

+ 700 Arts & recreation

+ 800 Literature

+ 900 History & geography

Copyright 2005 Charles Ledvina, data copyright 2005 OCLC