Classification
H - Social Science
249
M - Music
231
D - World History
168
S - Agriculture
81
A - General Works
78
P - Language and Literature
73
B - Philosophy, Psychology, Religion
58
J - Political Science
46
K - Law
39
C - Historical Sciences
35
F - General American History
32
Q - Science
27
L - Education
26
T - Technology
25
G - Geography, Anthropology, Recreation
20
R - Medicine
19
Z - Library Science
19
N - Fine Arts
17
U - Military Science
3
E - United States History
2