Classification
361 - Social problems & social welfare in general
370 - Education
330 - Economics
9
610 - Medicine & health
8
320 - Political science
6
360 - Social problems & services; associations
4
700 - The arts; fine & decorative arts
4
140 - Specific philosophical schools
3
170 - Ethics
3
304 - Factors affecting social behavior
3
000 - Computer science, information & general works
2
100 - Philosophy & psychology
2
200 - Religion
2
300 - Social sciences
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
372 - Elementary education
2
600 - Technology
2
160 - Logic
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
340 - Law
1
350 - Public administration & military science
1
364 - Criminology
1
371 - Schools & their activities; special education
1
380 - Commerce, communications & transportation
1
630 - Agriculture & related technologies
1
900 - History & geography
1
920 - Biography, genealogy & insignia
1