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Library of Congress Subject Areas (5171)
- A General Works (39)
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  - AM Museums (General). Collectors and collecting (General) (4)
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- B Philosophy. Psychology. Religion (1408)
  - B Philosophy (General) (85)
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  - BF Psychology (1010)
    - BF180-198.7 Experimental psychology (34)
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      - BX5194-5195 Cathedrals, churches, etc. in England and Wales (13)
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- C Auxiliary Sciences of History (5)
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- E History America (48)
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- F History United States, Canada, Latin America (16)
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- G Geography. Anthropology. Recreation (561)
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- H Social Sciences (811)
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- J Political Science (103)
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- L Education (765)
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- M Music and Books on Music (280)
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  - MT Musical instruction and study (29)
    - MT0018 Music in colleges and universities (6)
    - MT0040-67 Composition. Elements and techniques of music (5)
- N Fine Arts (393)
  - N Visual arts (General) For photography, see TR (228)
    - N0061-72 Theory. Philosophy. Aesthetics of the visual arts (10)
    - N0081-390 Study and teaching. Research (4)
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  - NA Architecture (9)
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  - NC Drawing Design Illustration (55)
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    - NC0950-(996) Illustration (4)
    - NC0997-1003 Commercial art. Advertising art (2)
    - NC1765-1766 Animation (6)
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  - ND Painting (26)
  - NE Print media (22)
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    - NK3600-(9990) Other arts and art industries (1)
  - NX Arts in general (188)
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    - NX420-430 Exhibitions (7)
    - NX440-632 History of the arts (13)
    - NX456.5.P38 Performance Art (38)
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- P Language and Literature (769)
  - P Philology. Linguistics (198)
    - P 115 Bilingualism (19)
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  - PN Literature (General) (356)
    - PN0080 Criticism (92)
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- Q Science (395)
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    - Q325 Machine learning (28)
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    - QA76.9.H85 Human-Computer Interaction; Virtual Reality; Mixed Reality; Augmented Reality ; Extended Reality (39)
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- R Medicine (457)
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    - RA790 Mental health (22)
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- S Agriculture (22)
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- T Technology (153)
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  - TR Photography (56)
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    - TR858 Motion graphics (3)
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- U Military Science (5)
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- Z Bibliography. Library Science. Information Resources (68)
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