Classification
330 - Economics
83
320 - Political science
81
900 - History & geography
81
300 - Social sciences
45
576 - Genetics & evolution
36
820 - English & Old English literatures
30
340 - Law
19
940 - History of Europe
4
380 - Commerce, communications & transportation
2
360 - Social problems & services; associations
1
390 - Customs, etiquette & folklore
1
840 - Literatures of Romance languages
1