Classification
305 - Social groups
4
300 - Social sciences
2
303 - Social processes
2
301 - Sociology & anthropology
1
306 - Culture & institutions
1
330 - Economics
1
345 - Criminal law
1
362 - Social welfare problems & services
1
500 - Natural sciences & mathematics
1
940 - History of Europe
1
970 - History of North America
1
973 - United States
1
978 - Western United States
1