Classification
H - Social Science
122
D - World History
49
L - Education
21
J - Political Science
16
T - Technology
16
A - General Works
14
B - Philosophy, Psychology, Religion
13
M - Music
12
Q - Science
11
R - Medicine
8
N - Fine Arts
7
S - Agriculture
7
U - Military Science
7
G - Geography, Anthropology, Recreation
6
Z - Library Science
6
P - Language and Literature
5
V - Naval Science
4
K - Law
3
E - United States History
1