Classification
M - Music
683
D - World History
419
F - General American History
170
B - Philosophy, Psychology, Religion
137
R - Medicine
122
C - Historical Sciences
116
Z - Library Science
90
P - Language and Literature
84
E - United States History
81
H - Social Science
52
A - General Works
47
T - Technology
35
J - Political Science
34
K - Law
30
U - Military Science
15
V - Naval Science
6
S - Agriculture
5
L - Education
4
N - Fine Arts
3