Classification
H - Social Science
373
M - Music
131
F - General American History
66
E - United States History
57
C - Historical Sciences
32
D - World History
21
B - Philosophy, Psychology, Religion
14
P - Language and Literature
13
S - Agriculture
10
G - Geography, Anthropology, Recreation
9
Z - Library Science
9
A - General Works
5
R - Medicine
3
T - Technology
2
L - Education
1
Q - Science
1