Classification
340 - Law
320 - Political science
139
330 - Economics
129
900 - History & geography
24
100 - Philosophy & psychology
14
630 - Agriculture & related technologies
7
300 - Social sciences
6
363 - Other social problems & services
5
140 - Specific philosophical schools
3
380 - Commerce, communications & transportation
3
700 - The arts; fine & decorative arts
3
800 - Literature & rhetoric
3
170 - Ethics
2
297 - Islam, Babism & Bahai Faith
2
336 - Public finance
2
610 - Medicine & health
2
200 - Religion
1
301 - Sociology & anthropology
1
370 - Education
1
400 - Language
1