Classification
H - Social Science
3,612
M - Music
1,149
R - Medicine
839
P - Language and Literature
570
D - World History
556
B - Philosophy, Psychology, Religion
470
F - General American History
307
A - General Works
278
S - Agriculture
226
E - United States History
174
C - Historical Sciences
121
J - Political Science
86
T - Technology
46
K - Law
43
Z - Library Science
42
G - Geography, Anthropology, Recreation
24
L - Education
15
N - Fine Arts
9
Q - Science
7
U - Military Science
5
V - Naval Science
1