Classification
H - Social Science
585
K - Law
281
T - Technology
155
S - Agriculture
138
M - Music
119
E - United States History
101
Z - Library Science
88
A - General Works
62
R - Medicine
56
L - Education
48
B - Philosophy, Psychology, Religion
44
J - Political Science
41
D - World History
34
U - Military Science
20
G - Geography, Anthropology, Recreation
18
N - Fine Arts
13
P - Language and Literature
13
F - General American History
9
Q - Science
8
C - Historical Sciences
5
V - Naval Science
3