Número de Clasificación
B - Philosophy, Psychology, Religion
1,180
P - Language and Literature
113
D - World History
52
L - Education
22
Z - Library Science
18
H - Social Science
17
N - Fine Arts
12
F - General American History
8
Q - Science
8
C - Historical Sciences
6
M - Music
5
E - United States History
4
J - Political Science
4
R - Medicine
3
A - General Works
2
G - Geography, Anthropology, Recreation
2
T - Technology
1