Número de Clasificación
P - Language and Literature
50
E - United States History
46
F - General American History
21
B - Philosophy, Psychology, Religion
14
H - Social Science
14
K - Law
9
G - Geography, Anthropology, Recreation
8
J - Political Science
7
R - Medicine
5
D - World History
3
T - Technology
3
Q - Science
2
Z - Library Science
2
A - General Works
1
C - Historical Sciences
1
L - Education
1
M - Music
1
U - Military Science
1
V - Naval Science
1