CLASSIFICATION
Q - Science
3,103
L - Education
407
T - Technology
230
H - Social Science
220
R - Medicine
38
B - Philosophy, Psychology, Religion
28
G - Geography, Anthropology, Recreation
21
C - Historical Sciences
20
M - Music
16
S - Agriculture
14
A - General Works
13
E - United States History
13
J - Political Science
9
N - Fine Arts
9
D - World History
4
P - Language and Literature
4
Z - Library Science
4
V - Naval Science
2
F - General American History
1