Classification
Q - Science
100
H - Social Science
96
M - Music
86
K - Law
75
F - General American History
60
J - Political Science
45
S - Agriculture
41
T - Technology
38
D - World History
32
R - Medicine
19
G - Geography, Anthropology, Recreation
18
L - Education
15
Z - Library Science
13
E - United States History
9
A - General Works
5
U - Military Science
4
C - Historical Sciences
3
N - Fine Arts
3
P - Language and Literature
3
B - Philosophy, Psychology, Religion
2
V - Naval Science
1