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Library of Congress Subject Areas (28)
- A General Works (55)
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- B Philosophy. Psychology. Religion (1)
  - B Philosophy (General) (66)
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- C Auxiliary Sciences of History (1)
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- M Music and Books on Music (50)
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- R Medicine (718)
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- S Agriculture (531)
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- T Technology (13)
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  - TK Electrical engineering. Electronics Nuclear engineering (254)
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  - TX Home economics (31)
- U Military Science (38)
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- V Naval Science (1)
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  - VM Naval architecture. Shipbuilding. Marine engineering (1)
- Z Bibliography. Library Science. Information Resources (52)
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  - Z719 Libraries (General) (39)
  - ZA Information resources (57)
    - ZA4050 Electronic information resources (23)
    - ZA4450 Databases (17)