Número de Clasificación
- H - Social Science 227 results
- P - Language and Literature 26 results
- N - Fine Arts 13 results
- K - Law 10 results
- J - Political Science 8 results
- T - Technology 7 results
- S - Agriculture 6 results
- M - Music 5 results
- G - Geography, Anthropology, Recreation 4 results
- L - Education 3 results
- Z - Library Science 2 results
- A - General Works 1 results
- B - Philosophy, Psychology, Religion 1 results
- F - General American History 1 results
- R - Medicine 1 results