Classification
M - Music
1,550
F - General American History
434
D - World History
210
E - United States History
76
P - Language and Literature
35
B - Philosophy, Psychology, Religion
29
G - Geography, Anthropology, Recreation
15
S - Agriculture
15
H - Social Science
8
A - General Works
3
Q - Science
2
R - Medicine
2
T - Technology
2
C - Historical Sciences
1