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Library of Congress Subject Areas (355)
- A General Works (1)
- B Philosophy. Psychology. Religion (67)
  - B Philosophy (General) (49)
  - BF Psychology (16)
  - BH Aesthetics (1)
  - BL Religion (11)
  - BP Islam. Bahaism. Theosophy, etc (2)
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    - BV1460 Religious Education (1)
  - BX Christian Denominations (3)
- E History America (2)
- G Geography. Anthropology. Recreation (1)
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- H Social Sciences (60)
  - H Social Sciences (General) (49)
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  - HN Social history and conditions. Social problems. Social reform (29)
  - HQ The family. Marriage. Woman (3)
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  - HV Social pathology. Social and public welfare (34)
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- L Education (22)
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    - LC5201 Education extension. Adult education. Continuing education (1)
  - LF Individual institutions (Europe) (4)
- M Music and Books on Music (5)
  - M Music (5)
- N Fine Arts (27)
  - N Visual arts (General) For photography, see TR (24)
  - NB Sculpture (4)
  - NC Drawing Design Illustration (8)
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  - NX Arts in general (22)
- P Language and Literature (1)
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- Q Science (100)
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- R Medicine (24)
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- S Agriculture (1)
  - S Agriculture (General) (1)
- T Technology (187)
  - T Technology (General) (166)
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  - TK Electrical engineering. Electronics Nuclear engineering (120)
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  - TP Chemical technology (3)
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- U Military Science (1)
  - U Military Science (General) (1)