Classification
Z - Library Science
36
D - World History
28
M - Music
22
H - Social Science
18
E - United States History
12
B - Philosophy, Psychology, Religion
10
J - Political Science
7
T - Technology
7
Q - Science
6
A - General Works
5
F - General American History
5
C - Historical Sciences
4
G - Geography, Anthropology, Recreation
4
K - Law
3
L - Education
3
P - Language and Literature
3
R - Medicine
2
S - Agriculture
2
U - Military Science
2
V - Naval Science
2
N - Fine Arts
1