CLASSIFICATION
L - Education
74
C - Historical Sciences
54
M - Music
51
G - Geography, Anthropology, Recreation
7
R - Medicine
6
T - Technology
6
A - General Works
3
E - United States History
3
J - Political Science
3
B - Philosophy, Psychology, Religion
2
F - General American History
2
N - Fine Arts
1
P - Language and Literature
1