Classification
301 - Sociology & anthropology
300 - Social sciences
74
900 - History & geography
44
320 - Political science
34
200 - Religion
19
304 - Factors affecting social behavior
17
140 - Specific philosophical schools
16
700 - The arts; fine & decorative arts
15
400 - Language
12
330 - Economics
11
340 - Law
7
780 - Music
7
100 - Philosophy & psychology
5
363 - Other social problems & services
5
380 - Commerce, communications & transportation
5
170 - Ethics
4
350 - Public administration & military science
4
398 - Folklore
4
410 - Linguistics
4
297 - Islam, Babism & Bahai Faith
3
333 - Economics of land & energy
3
600 - Technology
3
000 - Computer science, information & general works
2
361 - Social problems & social welfare in general
2
610 - Medicine & health
2
800 - Literature & rhetoric
2
303 - Social processes
1
360 - Social problems & services; associations
1
364 - Criminology
1
370 - Education
1
520 - Astronomy & allied sciences
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
658 - General management
1