Classification
200 - Religion
320 - Political science
68
900 - History & geography
57
330 - Economics
33
140 - Specific philosophical schools
24
297 - Islam, Babism & Bahai Faith
23
700 - The arts; fine & decorative arts
20
800 - Literature & rhetoric
20
300 - Social sciences
18
301 - Sociology & anthropology
17
370 - Education
14
340 - Law
13
100 - Philosophy & psychology
12
333 - Economics of land & energy
10
296 - Judaism
9
576 - Genetics & evolution
9
400 - Language
8
170 - Ethics
6
410 - Linguistics
6
304 - Factors affecting social behavior
5
398 - Folklore
5
581 - Specific topics in natural history
5
600 - Technology
4
610 - Medicine & health
4
780 - Music
4
380 - Commerce, communications & transportation
3
630 - Agriculture & related technologies
3
363 - Other social problems & services
2
530 - Physics
2
620 - Engineering & allied operations
2
000 - Computer science, information & general works
1
360 - Social problems & services; associations
1
364 - Criminology
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
551 - Geology, hydrology & meteorology
1
720 - Architecture
1
791 - Public performances
1