CLASSIFICATION
Q - Science
5,722
H - Social Science
4,124
T - Technology
4,119
R - Medicine
981
B - Philosophy, Psychology, Religion
710
G - Geography, Anthropology, Recreation
655
P - Language and Literature
495
N - Fine Arts
426
L - Education
339
S - Agriculture
205
J - Political Science
160
D - World History
146
K - Law
133
M - Music
125
Z - Library Science
58
C - Historical Sciences
49
E - United States History
36
A - General Works
24
F - General American History
19
U - Military Science
13
V - Naval Science
2