CLASSIFICATION
H - Social Science
4,920
L - Education
1,527
S - Agriculture
264
G - Geography, Anthropology, Recreation
211
T - Technology
168
J - Political Science
147
K - Law
133
R - Medicine
114
P - Language and Literature
97
Q - Science
84
A - General Works
78
D - World History
48
M - Music
39
N - Fine Arts
37
B - Philosophy, Psychology, Religion
22
C - Historical Sciences
19
Z - Library Science
15
U - Military Science
12
E - United States History
7
F - General American History
5
V - Naval Science
4