Classification
330 - Economics
83
320 - Political science
69
340 - Law
12
900 - History & geography
9
300 - Social sciences
4
670 - Manufacturing
2
360 - Social problems & services; associations
1
380 - Commerce, communications & transportation
1
600 - Technology
1
630 - Agriculture & related technologies
1
660 - Chemical engineering
1
740 - Drawing & decorative arts
1