Classification
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500 - Natural sciences & mathematics
20
520 - Astronomy & allied sciences
3
530 - Physics
16
540 - Chemistry & allied sciences
7
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
6
576 - Genetics & evolution
34
580 - Plants (Botany)
3
581 - Specific topics in natural history
26
590 - Animals (Zoology)
5
600 - Technology
75
610 - Medicine & health
116
612 - Human physiology
1
615 - Pharmacology & therapeutics
3
616 - Diseases
1
620 - Engineering & allied operations
23
630 - Agriculture & related technologies
31
657 - Accounting
1
658 - General management
6
700 - The arts; fine & decorative arts
219
720 - Architecture
28
770 - Photography, photographs & computer art
5
780 - Music
88
791 - Public performances
5
800 - Literature & rhetoric
60
808 - Rhetoric & collections of literature
1
809 - History, description & criticism
2
833 - German fiction
1
891 - East Indo-European & Celtic literatures
2
900 - History & geography
486
910 - Geography & travel
1
920 - Biography, genealogy & insignia
2
973 - United States
1
980 - History of South America
1