CLASSIFICATION
- D - World History 220 results
- J - Political Science 185 results
- H - Social Science 64 results
- F - General American History 50 results
- E - United States History 42 results
- G - Geography, Anthropology, Recreation 18 results
- A - General Works 8 results
- P - Language and Literature 8 results
- B - Philosophy, Psychology, Religion 4 results
- K - Law 4 results
- C - Historical Sciences 3 results
- L - Education 3 results
- M - Music 3 results
- Q - Science 3 results
- N - Fine Arts 2 results
- T - Technology 2 results
- S - Agriculture 1 results