Classification
P - Language and Literature
295
R - Medicine
158
S - Agriculture
129
T - Technology
95
Q - Science
93
C - Historical Sciences
86
B - Philosophy, Psychology, Religion
70
A - General Works
65
M - Music
26
D - World History
16
H - Social Science
13
F - General American History
6
L - Education
5
E - United States History
2
G - Geography, Anthropology, Recreation
2
N - Fine Arts
1
U - Military Science
1
Z - Library Science
1