Número de Clasificación
H - Social Science
505
L - Education
245
P - Language and Literature
111
Q - Science
103
G - Geography, Anthropology, Recreation
84
R - Medicine
70
J - Political Science
66
T - Technology
47
B - Philosophy, Psychology, Religion
39
K - Law
21
F - General American History
17
M - Music
11
Z - Library Science
8
A - General Works
7
C - Historical Sciences
7
D - World History
6
E - United States History
5
N - Fine Arts
4
S - Agriculture
2
U - Military Science
2