Número de Clasificación
H - Social Science
605
F - General American History
308
P - Language and Literature
152
K - Law
143
S - Agriculture
109
J - Political Science
93
L - Education
81
Q - Science
44
N - Fine Arts
33
G - Geography, Anthropology, Recreation
26
B - Philosophy, Psychology, Religion
23
R - Medicine
19
T - Technology
14
D - World History
11
M - Music
8
C - Historical Sciences
5
U - Military Science
5
Z - Library Science
4
E - United States History
2
A - General Works
1