Número de Clasificación
- D - World History 829 results
- H - Social Science 440 results
- P - Language and Literature 382 results
- B - Philosophy, Psychology, Religion 272 results
- J - Political Science 100 results
- M - Music 84 results
- K - Law 78 results
- N - Fine Arts 76 results
- Q - Science 72 results
- G - Geography, Anthropology, Recreation 64 results
- L - Education 42 results
- E - United States History 36 results
- U - Military Science 34 results
- T - Technology 30 results
- R - Medicine 26 results
- F - General American History 10 results
- V - Naval Science 10 results
- Z - Library Science 10 results
- C - Historical Sciences 6 results
- S - Agriculture 2 results