Classification
H - Social Science
48
M - Music
37
T - Technology
37
Z - Library Science
36
C - Historical Sciences
23
E - United States History
17
K - Law
16
J - Political Science
15
R - Medicine
13
D - World History
11
L - Education
11
A - General Works
10
B - Philosophy, Psychology, Religion
9
F - General American History
8
S - Agriculture
6
N - Fine Arts
4
G - Geography, Anthropology, Recreation
2
Q - Science
1