Classification
P - Language and Literature
136
D - World History
60
B - Philosophy, Psychology, Religion
54
H - Social Science
31
K - Law
12
J - Political Science
10
Q - Science
10
L - Education
7
M - Music
7
Z - Library Science
7
C - Historical Sciences
6
G - Geography, Anthropology, Recreation
6
N - Fine Arts
5
A - General Works
4
R - Medicine
4
F - General American History
3
E - United States History
2
V - Naval Science
2
S - Agriculture
1
T - Technology
1