Classification
P - Language and Literature
367
D - World History
307
M - Music
78
B - Philosophy, Psychology, Religion
76
N - Fine Arts
54
H - Social Science
31
J - Political Science
29
A - General Works
27
K - Law
19
C - Historical Sciences
18
R - Medicine
14
T - Technology
12
F - General American History
11
U - Military Science
10
G - Geography, Anthropology, Recreation
7
Z - Library Science
5
E - United States History
3
S - Agriculture
3
L - Education
2
Q - Science
2
V - Naval Science
1