Classification
M - Music
1,339
P - Language and Literature
1,184
B - Philosophy, Psychology, Religion
1,034
D - World History
876
A - General Works
476
F - General American History
452
R - Medicine
426
H - Social Science
322
Q - Science
267
G - Geography, Anthropology, Recreation
207
S - Agriculture
115
C - Historical Sciences
114
E - United States History
82
T - Technology
37
Z - Library Science
33
N - Fine Arts
31
L - Education
26
J - Political Science
24
K - Law
21
U - Military Science
8
V - Naval Science
1