Classification
100 - Philosophy & psychology
200 - Religion
610 - Medicine & health
170 - Ethics
6
140 - Specific philosophical schools
4
301 - Sociology & anthropology
4
333 - Economics of land & energy
4
340 - Law
4
700 - The arts; fine & decorative arts
4
900 - History & geography
4
300 - Social sciences
3
320 - Political science
3
000 - Computer science, information & general works
2
296 - Judaism
2
297 - Islam, Babism & Bahai Faith
2
363 - Other social problems & services
2
370 - Education
2
304 - Factors affecting social behavior
1
330 - Economics
1
361 - Social problems & social welfare in general
1
362 - Social welfare problems & services
1
380 - Commerce, communications & transportation
1
400 - Language
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
616 - Diseases
1