Classification
000 - Computer science, information & general works
200 - Religion
700 - The arts; fine & decorative arts
320 - Political science
11
100 - Philosophy & psychology
10
363 - Other social problems & services
10
900 - History & geography
8
300 - Social sciences
7
600 - Technology
7
140 - Specific philosophical schools
6
301 - Sociology & anthropology
6
330 - Economics
6
333 - Economics of land & energy
6
340 - Law
4
370 - Education
4
380 - Commerce, communications & transportation
4
361 - Social problems & social welfare in general
3
581 - Specific topics in natural history
3
610 - Medicine & health
3
120 - Epistemology, causation & humankind
2
170 - Ethics
2
297 - Islam, Babism & Bahai Faith
2
304 - Factors affecting social behavior
2
400 - Language
2
410 - Linguistics
2
360 - Social problems & services; associations
1
364 - Criminology
1
551 - Geology, hydrology & meteorology
1
620 - Engineering & allied operations
1
658 - General management
1
720 - Architecture
1
780 - Music
1
800 - Literature & rhetoric
1