Classification
000 - Computer science, information & general works
117
580 - Plants (Botany)
111
700 - The arts; fine & decorative arts
99
600 - Technology
88
330 - Economics
79
610 - Medicine & health
78
333 - Economics of land & energy
77
620 - Engineering & allied operations
65
363 - Other social problems & services
63
630 - Agriculture & related technologies
61
900 - History & geography
55
551 - Geology, hydrology & meteorology
35
380 - Commerce, communications & transportation
28
576 - Genetics & evolution
25
320 - Political science
24
540 - Chemistry & allied sciences
24
140 - Specific philosophical schools
22
581 - Specific topics in natural history
22
414 - Phonology & phonetics
15
500 - Natural sciences & mathematics
11
720 - Architecture
11
300 - Social sciences
10
612 - Human physiology
10
800 - Literature & rhetoric
8
301 - Sociology & anthropology
6
340 - Law
6
615 - Pharmacology & therapeutics
6
628 - Sanitary & municipal engineering
6
100 - Philosophy & psychology
5
304 - Factors affecting social behavior
5
530 - Physics
4
820 - English & Old English literatures
4
658 - General management
3
668 - Technology of other organic products
3
361 - Social problems & social welfare in general
2
370 - Education
2
632 - Plant injuries, diseases & pests
2
650 - Management & auxiliary services
2
160 - Logic
1
170 - Ethics
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
303 - Social processes
1
338 - Production
1
360 - Social problems & services; associations
1
400 - Language
1
543 - Analytical chemistry
1
550 - Earth sciences
1
572 - Biochemistry
1
631 - Techniques, equipment & materials
1
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