Classification
330 - Economics
53
320 - Political science
48
300 - Social sciences
47
340 - Law
25
650 - Management & auxiliary services
20
658 - General management
16
100 - Philosophy & psychology
8
361 - Social problems & social welfare in general
8
900 - History & geography
8
170 - Ethics
5
610 - Medicine & health
4
000 - Computer science, information & general works
3
301 - Sociology & anthropology
3
174 - Occupational ethics
2
200 - Religion
2
331 - Labor economics
2
332 - Financial economics
2
338 - Production
2
364 - Criminology
2
670 - Manufacturing
2
700 - The arts; fine & decorative arts
2
001 - Knowledge
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
344 - Labor, social, education & cultural law
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
600 - Technology
1
620 - Engineering & allied operations
1