Classification
300 - Social sciences
900 - History & geography
320 - Political science
148
330 - Economics
59
340 - Law
55
304 - Factors affecting social behavior
40
100 - Philosophy & psychology
33
200 - Religion
25
700 - The arts; fine & decorative arts
15
301 - Sociology & anthropology
6
630 - Agriculture & related technologies
6
943 - Central Europe; Germany
6
000 - Computer science, information & general works
5
170 - Ethics
5
140 - Specific philosophical schools
4
297 - Islam, Babism & Bahai Faith
4
306 - Culture & institutions
4
720 - Architecture
4
338 - Production
3
364 - Criminology
3
576 - Genetics & evolution
3
610 - Medicine & health
3
800 - Literature & rhetoric
3
001 - Knowledge
2
305 - Social groups
2
331 - Labor economics
2
160 - Logic
1
241 - Christian ethics
1
261 - Social theology
1
270 - History of Christianity & Christian church
1
271 - Religious orders in church history
1
321 - Systems of governments & states
1
322 - Relation of state to organized groups
1
327 - International relations
1
339 - Macroeconomics & related topics
1
361 - Social problems & social welfare in general
1
370 - Education
1
382 - International commerce
1
530 - Physics
1
780 - Music
1
809 - History, description & criticism
1
833 - German fiction
1
920 - Biography, genealogy & insignia
1
940 - History of Europe
1