Classification
H - Social Science
356
D - World History
147
M - Music
102
S - Agriculture
74
P - Language and Literature
72
K - Law
47
T - Technology
35
Q - Science
32
L - Education
30
B - Philosophy, Psychology, Religion
27
A - General Works
26
Z - Library Science
23
C - Historical Sciences
22
J - Political Science
20
N - Fine Arts
20
R - Medicine
20
G - Geography, Anthropology, Recreation
17
E - United States History
10
F - General American History
7
U - Military Science
2