Número de Clasificación
B - Philosophy, Psychology, Religion
10,633
A - General Works
9,835
C - Historical Sciences
3,143
T - Technology
2,531
E - United States History
2,351
N - Fine Arts
1,740
K - Law
1,614
M - Music
1,520
S - Agriculture
1,257
H - Social Science
806
P - Language and Literature
680
D - World History
644
Z - Library Science
524
R - Medicine
219
F - General American History
157
L - Education
88
U - Military Science
81
Q - Science
74
G - Geography, Anthropology, Recreation
30
V - Naval Science
28
J - Political Science
17