Classification
D - World History
641
M - Music
447
J - Political Science
406
P - Language and Literature
227
B - Philosophy, Psychology, Religion
222
N - Fine Arts
145
A - General Works
106
F - General American History
105
K - Law
105
H - Social Science
104
R - Medicine
88
C - Historical Sciences
58
E - United States History
58
Z - Library Science
32
T - Technology
12
S - Agriculture
9
L - Education
5
U - Military Science
5
G - Geography, Anthropology, Recreation
1
Q - Science
1