Número de Clasificación
B - Philosophy, Psychology, Religion
145
D - World History
41
C - Historical Sciences
16
L - Education
11
G - Geography, Anthropology, Recreation
8
K - Law
6
J - Political Science
5
N - Fine Arts
5
P - Language and Literature
5
H - Social Science
3
M - Music
2
A - General Works
1
F - General American History
1
R - Medicine
1
Z - Library Science
1