Classification
330 - Economics
660
610 - Medicine & health
140
700 - The arts; fine & decorative arts
103
333 - Economics of land & energy
94
600 - Technology
86
363 - Other social problems & services
80
000 - Computer science, information & general works
73
306 - Culture & institutions
58
620 - Engineering & allied operations
58
140 - Specific philosophical schools
55
370 - Education
55
900 - History & geography
55
320 - Political science
53
380 - Commerce, communications & transportation
48
100 - Philosophy & psychology
40
820 - English & Old English literatures
33
658 - General management
29
300 - Social sciences
26
340 - Law
26
500 - Natural sciences & mathematics
25
580 - Plants (Botany)
24
551 - Geology, hydrology & meteorology
23
304 - Factors affecting social behavior
15
361 - Social problems & social welfare in general
15
170 - Ethics
13
576 - Genetics & evolution
13
720 - Architecture
12
158 - Applied psychology
11
581 - Specific topics in natural history
11
530 - Physics
10
800 - Literature & rhetoric
10
150 - Psychology
9
301 - Sociology & anthropology
9
331 - Labor economics
9
650 - Management & auxiliary services
9
780 - Music
9
200 - Religion
8
305 - Social groups
8
540 - Chemistry & allied sciences
8
630 - Agriculture & related technologies
8
155 - Differential & developmental psychology
7
338 - Production
7
362 - Social welfare problems & services
7
400 - Language
7
612 - Human physiology
7
613 - Personal health & safety
7
622 - Mining & related operations
6
280 - Christian denominations & sects
5
302 - Social interaction
5
360 - Social problems & services; associations
3
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