Classification
320 - Political science
171
330 - Economics
144
327 - International relations
87
300 - Social sciences
86
900 - History & geography
78
610 - Medicine & health
74
303 - Social processes
67
700 - The arts; fine & decorative arts
63
140 - Specific philosophical schools
58
363 - Other social problems & services
58
364 - Criminology
40
100 - Philosophy & psychology
39
340 - Law
38
370 - Education
37
200 - Religion
31
333 - Economics of land & energy
31
301 - Sociology & anthropology
30
304 - Factors affecting social behavior
24
380 - Commerce, communications & transportation
21
800 - Literature & rhetoric
21
170 - Ethics
19
306 - Culture & institutions
15
362 - Social welfare problems & services
15
000 - Computer science, information & general works
14
297 - Islam, Babism & Bahai Faith
14
361 - Social problems & social welfare in general
14
305 - Social groups
13
302 - Social interaction
12
600 - Technology
12
658 - General management
12
338 - Production
11
360 - Social problems & services; associations
10
500 - Natural sciences & mathematics
9
331 - Labor economics
7
400 - Language
6
576 - Genetics & evolution
6
941 - British Isles
6
201 - Religious mythology & social theology
5
355 - Military science
5
410 - Linguistics
5
581 - Specific topics in natural history
5
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
4
780 - Music
4
791 - Public performances
4
940 - History of Europe
4
296 - Judaism
3
341 - Law of nations
3
350 - Public administration & military science
3
351 - Public administration
3
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