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Library of Congress Subject Areas (507)
- A General Works (2)
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- B Philosophy. Psychology. Religion (1)
  - B Philosophy (General) (1)
- G Geography. Anthropology. Recreation (9)
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- R Medicine (17)
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    - RC0254 Neoplasms. Tumors. Oncology (including Cancer) (1)
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- S Agriculture (166)
  - S Agriculture (General) (109)
  - SB Plant culture (39)
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- T Technology (143)
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- Z Bibliography. Library Science. Information Resources (31)
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