CLASSIFICATION
H - Social Science
4,176
L - Education
69
B - Philosophy, Psychology, Religion
49
D - World History
30
R - Medicine
30
P - Language and Literature
26
Z - Library Science
21
K - Law
20
J - Political Science
18
S - Agriculture
18
C - Historical Sciences
14
G - Geography, Anthropology, Recreation
12
A - General Works
10
Q - Science
10
M - Music
8
F - General American History
6
T - Technology
6
E - United States History
2
V - Naval Science
1