Classification
330 - Economics
86
320 - Political science
68
900 - History & geography
66
820 - English & Old English literatures
53
327 - International relations
31
300 - Social sciences
24
363 - Other social problems & services
20
304 - Factors affecting social behavior
19
956 - Middle East (Near East)
19
200 - Religion
17
910 - Geography & travel
16
301 - Sociology & anthropology
15
297 - Islam, Babism & Bahai Faith
14
306 - Culture & institutions
14
140 - Specific philosophical schools
12
341 - Law of nations
12
700 - The arts; fine & decorative arts
12
333 - Economics of land & energy
11
340 - Law
10
939 - Other parts of ancient world to ca. 640
10
551 - Geology, hydrology & meteorology
9
610 - Medicine & health
9
930 - History of ancient world to ca. 499
9
305 - Social groups
7
370 - Education
7
650 - Management & auxiliary services
7
006 - Special computer methods
6
362 - Social welfare problems & services
6
380 - Commerce, communications & transportation
6
410 - Linguistics
6
630 - Agriculture & related technologies
6
170 - Ethics
5
400 - Language
5
600 - Technology
5
000 - Computer science, information & general works
4
302 - Social interaction
4
338 - Production
4
621 - Applied physics
4
720 - Architecture
4
780 - Music
4
940 - History of Europe
4
070 - News media, journalism & publishing
3
100 - Philosophy & psychology
3
270 - History of Christianity & Christian church
3
345 - Criminal law
3
355 - Military science
3
576 - Genetics & evolution
3
577 - Ecology
3
620 - Engineering & allied operations
3
800 - Literature & rhetoric
3
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