Classification
M - Music
145
C - Historical Sciences
29
E - United States History
27
Z - Library Science
23
D - World History
20
F - General American History
16
T - Technology
13
J - Political Science
12
H - Social Science
9
K - Law
6
P - Language and Literature
3
V - Naval Science
3
B - Philosophy, Psychology, Religion
1
R - Medicine
1
S - Agriculture
1