Classification
820 - English & Old English literatures
42
320 - Political science
39
330 - Economics
38
900 - History & geography
38
340 - Law
7
576 - Genetics & evolution
5
970 - History of North America
5
300 - Social sciences
3
380 - Commerce, communications & transportation
2
610 - Medicine & health
2
303 - Social processes
1
349 - Law of specific jurisdictions & areas
1
390 - Customs, etiquette & folklore
1
630 - Agriculture & related technologies
1
636 - Animal husbandry
1
810 - American literature in English
1
917 - Geography of & travel in North America
1
940 - History of Europe
1