Número de Clasificación
A - General Works
204
B - Philosophy, Psychology, Religion
134
T - Technology
97
E - United States History
95
C - Historical Sciences
94
M - Music
57
N - Fine Arts
43
L - Education
32
K - Law
25
P - Language and Literature
18
D - World History
11
S - Agriculture
6
R - Medicine
5
H - Social Science
4
Z - Library Science
4
F - General American History
3
J - Political Science
2
G - Geography, Anthropology, Recreation
1
U - Military Science
1