Número de Clasificación
P - Language and Literature
5,073
F - General American History
91
B - Philosophy, Psychology, Religion
90
Z - Library Science
29
H - Social Science
28
G - Geography, Anthropology, Recreation
27
D - World History
23
L - Education
19
N - Fine Arts
17
C - Historical Sciences
8
Q - Science
7
K - Law
5
J - Political Science
4
A - General Works
3
T - Technology
3
R - Medicine
2
E - United States History
1
M - Music
1
U - Military Science
1