CLASSIFICATION
H - Social Science
9,854
D - World History
1,076
L - Education
383
J - Political Science
237
G - Geography, Anthropology, Recreation
139
C - Historical Sciences
120
E - United States History
114
F - General American History
114
A - General Works
92
S - Agriculture
60
T - Technology
45
R - Medicine
35
V - Naval Science
31
P - Language and Literature
18
K - Law
15
Z - Library Science
15
M - Music
14
B - Philosophy, Psychology, Religion
12
Q - Science
11
U - Military Science
7
N - Fine Arts
6