CLASSIFICATION
H - Social Science
4,987
L - Education
1,537
S - Agriculture
281
G - Geography, Anthropology, Recreation
216
T - Technology
179
K - Law
153
J - Political Science
152
R - Medicine
117
Q - Science
100
P - Language and Literature
99
A - General Works
89
D - World History
50
M - Music
41
N - Fine Arts
40
B - Philosophy, Psychology, Religion
24
C - Historical Sciences
19
Z - Library Science
15
F - General American History
14
U - Military Science
13
E - United States History
7
V - Naval Science
6