CLASSIFICATION
C - Historical Sciences
1,477
M - Music
299
P - Language and Literature
122
N - Fine Arts
82
B - Philosophy, Psychology, Religion
35
D - World History
35
H - Social Science
35
L - Education
19
T - Technology
13
Q - Science
11
G - Geography, Anthropology, Recreation
8
J - Political Science
6
K - Law
6
F - General American History
4
Z - Library Science
4
R - Medicine
2
S - Agriculture
2
V - Naval Science
2
A - General Works
1
E - United States History
1