Número de Clasificación
D - World History
2,893
N - Fine Arts
2,872
P - Language and Literature
1,913
H - Social Science
642
M - Music
447
B - Philosophy, Psychology, Religion
319
T - Technology
260
Z - Library Science
156
R - Medicine
142
J - Political Science
129
K - Law
117
L - Education
114
G - Geography, Anthropology, Recreation
97
Q - Science
87
A - General Works
54
E - United States History
46
C - Historical Sciences
43
S - Agriculture
40
U - Military Science
20
F - General American History
11
V - Naval Science
3