Classification
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507 - Education, research & related topics
3
516 - Geometry
1
520 - Astronomy & allied sciences
2
530 - Physics
4
540 - Chemistry & allied sciences
28
541 - Physical chemistry
1
543 - Analytical chemistry
1
551 - Geology, hydrology & meteorology
12
570 - Life sciences; biology
1
576 - Genetics & evolution
8
580 - Plants (Botany)
14
581 - Specific topics in natural history
6
590 - Animals (Zoology)
1
600 - Technology
66
610 - Medicine & health
90
612 - Human physiology
4
615 - Pharmacology & therapeutics
3
620 - Engineering & allied operations
29
630 - Agriculture & related technologies
5
650 - Management & auxiliary services
1
657 - Accounting
4
658 - General management
21
700 - The arts; fine & decorative arts
96
720 - Architecture
8
740 - Drawing & decorative arts
1
770 - Photography, photographs & computer art
3
780 - Music
8
800 - Literature & rhetoric
25
808 - Rhetoric & collections of literature
3
820 - English & Old English literatures
17
833 - German fiction
1
900 - History & geography
80
943 - Central Europe; Germany
1
972 - Middle America; Mexico
1