Classification
D - World History
288
E - United States History
207
M - Music
165
Z - Library Science
80
J - Political Science
79
K - Law
69
F - General American History
66
H - Social Science
50
U - Military Science
23
C - Historical Sciences
20
T - Technology
15
L - Education
6
A - General Works
5
P - Language and Literature
5
V - Naval Science
3
Q - Science
2
S - Agriculture
2
G - Geography, Anthropology, Recreation
1
R - Medicine
1