Classification
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639 - Hunting, fishing & conservation
2
100 - Philosophy & psychology
1
170 - Ethics
1
171 - Ethical systems
1
172 - Political ethics
1
261 - Social theology
1
300 - Social sciences
1
310 - Collections of general statistics
1
324 - The political process
1
351 - Public administration
1
355 - Military science
1
361 - Social problems & social welfare in general
1
371 - Schools & their activities; special education
1
379 - Public policy issues in education
1
385 - Railroad transportation
1
387 - Water, air & space transportation
1
398 - Folklore
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
608 - Inventions & patents
1
615 - Pharmacology & therapeutics
1
621 - Applied physics
1
640 - Home & family management
1
706 - Organizations & management
1
720 - Architecture
1
940 - History of Europe
1
950 - History of Asia; Far East
1
953 - Arabian Peninsula & adjacent areas
1