Classification
R - Medicine
312
Q - Science
138
T - Technology
109
H - Social Science
99
A - General Works
86
S - Agriculture
57
M - Music
47
D - World History
46
P - Language and Literature
37
N - Fine Arts
25
K - Law
18
B - Philosophy, Psychology, Religion
15
Z - Library Science
14
L - Education
10
C - Historical Sciences
9
J - Political Science
6
E - United States History
5
F - General American History
5
G - Geography, Anthropology, Recreation
4
U - Military Science
4
V - Naval Science
3