Classification
301 - Sociology & anthropology
300 - Social sciences
21
900 - History & geography
15
320 - Political science
10
700 - The arts; fine & decorative arts
10
140 - Specific philosophical schools
8
304 - Factors affecting social behavior
7
363 - Other social problems & services
7
200 - Religion
6
340 - Law
6
000 - Computer science, information & general works
3
330 - Economics
3
333 - Economics of land & energy
3
380 - Commerce, communications & transportation
3
398 - Folklore
3
400 - Language
3
170 - Ethics
2
297 - Islam, Babism & Bahai Faith
2
370 - Education
2
551 - Geology, hydrology & meteorology
2
581 - Specific topics in natural history
2
600 - Technology
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
361 - Social problems & social welfare in general
1
410 - Linguistics
1
610 - Medicine & health
1
780 - Music
1
920 - Biography, genealogy & insignia
1