Classification
M - Music
3,449
R - Medicine
2,726
B - Philosophy, Psychology, Religion
1,923
D - World History
1,782
C - Historical Sciences
1,544
H - Social Science
984
A - General Works
798
S - Agriculture
748
Q - Science
747
E - United States History
735
T - Technology
684
F - General American History
592
J - Political Science
295
P - Language and Literature
206
Z - Library Science
154
K - Law
143
L - Education
135
G - Geography, Anthropology, Recreation
123
N - Fine Arts
70
U - Military Science
11
V - Naval Science
5