Classification
330 - Economics
14
320 - Political science
13
340 - Law
4
300 - Social sciences
3
000 - Computer science, information & general works
2
972 - Middle America; Mexico
2
101 - Theory of philosophy
1
325 - International migration & colonization
1
334 - Cooperatives
1
338 - Production
1
658 - General management
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1