Classification
B - Philosophy, Psychology, Religion
431
M - Music
104
P - Language and Literature
65
F - General American History
40
A - General Works
20
Z - Library Science
12
C - Historical Sciences
9
E - United States History
3
D - World History
2
R - Medicine
2
H - Social Science
1
L - Education
1
N - Fine Arts
1
S - Agriculture
1