Classification
M - Music
3,448
R - Medicine
2,727
B - Philosophy, Psychology, Religion
1,940
D - World History
1,867
C - Historical Sciences
1,557
H - Social Science
1,003
A - General Works
799
Q - Science
754
S - Agriculture
749
E - United States History
735
T - Technology
690
F - General American History
593
J - Political Science
302
P - Language and Literature
220
Z - Library Science
155
K - Law
144
G - Geography, Anthropology, Recreation
142
L - Education
136
N - Fine Arts
86
U - Military Science
12
V - Naval Science
6