Classification
H - Social Science
950
M - Music
881
S - Agriculture
270
D - World History
246
L - Education
148
B - Philosophy, Psychology, Religion
95
T - Technology
78
Q - Science
69
J - Political Science
62
K - Law
50
P - Language and Literature
47
A - General Works
40
G - Geography, Anthropology, Recreation
33
Z - Library Science
32
F - General American History
29
N - Fine Arts
15
R - Medicine
12
U - Military Science
5
V - Naval Science
5
E - United States History
4
C - Historical Sciences
1