Classification
330 - Economics
333
320 - Political science
328
340 - Law
87
300 - Social sciences
11
900 - History & geography
7
380 - Commerce, communications & transportation
4
630 - Agriculture & related technologies
3
382 - International commerce
2
800 - Literature & rhetoric
2
381 - Commerce
1
700 - The arts; fine & decorative arts
1