Número de Clasificación
P - Language and Literature
395
D - World History
110
B - Philosophy, Psychology, Religion
90
H - Social Science
77
L - Education
20
C - Historical Sciences
19
E - United States History
5
N - Fine Arts
5
J - Political Science
4
G - Geography, Anthropology, Recreation
2
A - General Works
1
K - Law
1
M - Music
1
Q - Science
1
T - Technology
1
Z - Library Science
1