Classification
300 - Social sciences
200 - Religion
65
100 - Philosophy & psychology
43
900 - History & geography
33
301 - Sociology & anthropology
29
320 - Political science
20
297 - Islam, Babism & Bahai Faith
14
370 - Education
10
700 - The arts; fine & decorative arts
9
800 - Literature & rhetoric
9
398 - Folklore
8
400 - Language
8
140 - Specific philosophical schools
6
340 - Law
6
000 - Computer science, information & general works
5
380 - Commerce, communications & transportation
5
170 - Ethics
4
296 - Judaism
4
304 - Factors affecting social behavior
4
330 - Economics
4
333 - Economics of land & energy
3
363 - Other social problems & services
3
410 - Linguistics
3
600 - Technology
3
361 - Social problems & social welfare in general
2
576 - Genetics & evolution
2
610 - Medicine & health
2
720 - Architecture
2
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
780 - Music
1