Classification
L - Education
290
M - Music
251
B - Philosophy, Psychology, Religion
20
C - Historical Sciences
19
H - Social Science
14
S - Agriculture
14
A - General Works
10
T - Technology
9
D - World History
8
P - Language and Literature
6
R - Medicine
5
F - General American History
3
G - Geography, Anthropology, Recreation
3
E - United States History
2
Z - Library Science
2
N - Fine Arts
1
Q - Science
1
U - Military Science
1