Classification
H - Social Science
1,427
M - Music
509
S - Agriculture
264
L - Education
163
J - Political Science
150
T - Technology
110
Z - Library Science
96
Q - Science
86
R - Medicine
85
D - World History
78
N - Fine Arts
64
K - Law
58
P - Language and Literature
31
G - Geography, Anthropology, Recreation
23
C - Historical Sciences
22
A - General Works
12
U - Military Science
11
V - Naval Science
6
E - United States History
4
F - General American History
1