Classification
F - General American History
5,814
P - Language and Literature
2,289
D - World History
996
M - Music
424
B - Philosophy, Psychology, Religion
397
H - Social Science
364
K - Law
188
R - Medicine
168
J - Political Science
136
L - Education
97
N - Fine Arts
88
A - General Works
69
C - Historical Sciences
69
Z - Library Science
46
G - Geography, Anthropology, Recreation
42
Q - Science
34
T - Technology
33
S - Agriculture
31
U - Military Science
25
E - United States History
22
V - Naval Science
4