Classification
D - World History
583
M - Music
452
J - Political Science
404
P - Language and Literature
227
B - Philosophy, Psychology, Religion
217
N - Fine Arts
145
K - Law
111
A - General Works
107
F - General American History
107
H - Social Science
99
R - Medicine
88
C - Historical Sciences
58
E - United States History
57
Z - Library Science
32
T - Technology
12
S - Agriculture
9
L - Education
5
U - Military Science
5
Q - Science
1