Número de Clasificación
B - Philosophy, Psychology, Religion
71
H - Social Science
14
D - World History
13
P - Language and Literature
5
J - Political Science
3
C - Historical Sciences
2
F - General American History
2
A - General Works
1
E - United States History
1
K - Law
1
M - Music
1
N - Fine Arts
1
Z - Library Science
1