Classification
Q - Science
194
R - Medicine
113
F - General American History
110
P - Language and Literature
85
D - World History
46
B - Philosophy, Psychology, Religion
30
H - Social Science
25
Z - Library Science
16
E - United States History
15
M - Music
12
C - Historical Sciences
11
S - Agriculture
8
A - General Works
5
G - Geography, Anthropology, Recreation
4
N - Fine Arts
3
T - Technology
2
K - Law
1
U - Military Science
1