Número de Clasificación
B - Philosophy, Psychology, Religion
16
C - Historical Sciences
10
S - Agriculture
7
A - General Works
6
D - World History
5
L - Education
2
N - Fine Arts
2
E - United States History
1
F - General American History
1
J - Political Science
1
P - Language and Literature
1
R - Medicine
1
V - Naval Science
1
Z - Library Science
1