Classification
P - Language and Literature
6,982
F - General American History
6,155
H - Social Science
1,562
K - Law
1,347
M - Music
1,132
D - World History
1,068
B - Philosophy, Psychology, Religion
990
Q - Science
609
A - General Works
404
N - Fine Arts
329
J - Political Science
287
C - Historical Sciences
240
R - Medicine
229
L - Education
189
S - Agriculture
166
Z - Library Science
149
T - Technology
145
G - Geography, Anthropology, Recreation
130
E - United States History
65
U - Military Science
37
V - Naval Science
7