Classification
H - Social Science
1,080
M - Music
922
S - Agriculture
295
L - Education
177
D - World History
166
T - Technology
91
B - Philosophy, Psychology, Religion
89
Q - Science
88
J - Political Science
77
K - Law
65
P - Language and Literature
44
Z - Library Science
42
G - Geography, Anthropology, Recreation
41
A - General Works
34
F - General American History
29
N - Fine Arts
16
R - Medicine
12
U - Military Science
8
E - United States History
4
V - Naval Science
3
C - Historical Sciences
1