Número de Clasificación
B - Philosophy, Psychology, Religion
181
P - Language and Literature
23
E - United States History
18
F - General American History
7
L - Education
6
H - Social Science
5
N - Fine Arts
4
T - Technology
3
C - Historical Sciences
1
D - World History
1
G - Geography, Anthropology, Recreation
1
K - Law
1
M - Music
1
Z - Library Science
1