Classification
H - Social Science
1,222
M - Music
1,221
S - Agriculture
291
L - Education
169
D - World History
162
B - Philosophy, Psychology, Religion
132
J - Political Science
97
T - Technology
88
Q - Science
70
P - Language and Literature
64
K - Law
47
Z - Library Science
47
F - General American History
41
A - General Works
39
G - Geography, Anthropology, Recreation
34
R - Medicine
20
N - Fine Arts
15
U - Military Science
9
E - United States History
4
V - Naval Science
4
C - Historical Sciences
2