Número de Clasificación
D - World History
394
F - General American History
370
A - General Works
186
H - Social Science
164
B - Philosophy, Psychology, Religion
87
L - Education
80
J - Political Science
76
K - Law
68
P - Language and Literature
62
Q - Science
53
N - Fine Arts
48
E - United States History
47
R - Medicine
35
G - Geography, Anthropology, Recreation
34
T - Technology
33
C - Historical Sciences
29
Z - Library Science
23
U - Military Science
8
M - Music
6
S - Agriculture
6