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Library of Congress Subject Areas (6692)
- A General Works (19)
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- B Philosophy. Psychology. Religion (88)
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- G Geography. Anthropology. Recreation (85)
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  - HM Sociology (21)
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  - HT Communities. Classes. Races (26)
    - HT101-395 Urban groups. The city. Urban sociology (16)
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  - HV Social pathology. Social and public welfare (18)
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    - HV5800-5840 Drug habits. Drug abuse (1)
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        HV8031-8080 Police duty. Methods of protection (4)
        HV8073-8079.35 Investigation of crimes. Examination and identification of prisoners (1)
        HV8079.5-8079.55 Traffic control. Traffic accident investigation (3)
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- J Political Science (10)
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- L Education (641)
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  - LB Theory and practice of education (463)
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