Classification
330 - Economics
57
320 - Political science
40
700 - The arts; fine & decorative arts
39
370 - Education
37
305 - Social groups
36
610 - Medicine & health
35
333 - Economics of land & energy
30
600 - Technology
27
900 - History & geography
24
363 - Other social problems & services
23
140 - Specific philosophical schools
22
000 - Computer science, information & general works
21
300 - Social sciences
20
100 - Philosophy & psychology
17
380 - Commerce, communications & transportation
16
658 - General management
16
170 - Ethics
14
331 - Labor economics
14
306 - Culture & institutions
13
820 - English & Old English literatures
13
301 - Sociology & anthropology
12
800 - Literature & rhetoric
12
302 - Social interaction
10
304 - Factors affecting social behavior
9
200 - Religion
8
620 - Engineering & allied operations
8
410 - Linguistics
7
500 - Natural sciences & mathematics
7
576 - Genetics & evolution
7
551 - Geology, hydrology & meteorology
6
780 - Music
6
340 - Law
5
400 - Language
5
649 - Child rearing & home care of persons
5
791 - Public performances
5
350 - Public administration & military science
4
581 - Specific topics in natural history
4
810 - American literature in English
4
414 - Phonology & phonetics
3
630 - Agriculture & related technologies
3
006 - Special computer methods
2
155 - Differential & developmental psychology
2
230 - Christianity & Christian theology
2
361 - Social problems & social welfare in general
2
540 - Chemistry & allied sciences
2
580 - Plants (Botany)
2
670 - Manufacturing
2
794 - Indoor games of skill
2
811 - American poetry in English
2
821 - English poetry
2
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