Classification
336 - Public finance
330 - Economics
28
320 - Political science
22
100 - Philosophy & psychology
10
333 - Economics of land & energy
8
340 - Law
6
361 - Social problems & social welfare in general
5
900 - History & geography
5
363 - Other social problems & services
3
380 - Commerce, communications & transportation
3
300 - Social sciences
2
370 - Education
2
658 - General management
2
140 - Specific philosophical schools
1
332 - Financial economics
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
600 - Technology
1
610 - Medicine & health
1
657 - Accounting
1
800 - Literature & rhetoric
1