Classification
320 - Political science
165
330 - Economics
151
340 - Law
77
900 - History & geography
53
820 - English & Old English literatures
32
200 - Religion
16
943 - Central Europe; Germany
15
300 - Social sciences
13
940 - History of Europe
13
700 - The arts; fine & decorative arts
8
630 - Agriculture & related technologies
5
610 - Medicine & health
4
576 - Genetics & evolution
3
920 - Biography, genealogy & insignia
3
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
322 - Relation of state to organized groups
2
380 - Commerce, communications & transportation
2
020 - Library & information sciences
1
133 - Specific topics in parapsychology & occultism
1
170 - Ethics
1
280 - Christian denominations & sects
1
282 - Roman Catholic Church
1
284 - Protestants of Continental origin
1
290 - Other religions
1
301 - Sociology & anthropology
1
303 - Social processes
1
327 - International relations
1
328 - The legislative process
1
332 - Financial economics
1
578 - Natural history of organisms
1
600 - Technology
1
670 - Manufacturing
1
720 - Architecture
1
780 - Music
1
800 - Literature & rhetoric
1
830 - Literatures of Germanic languages
1
909 - World history
1