CLASSIFICATION
H - Social Science
1,933
S - Agriculture
601
L - Education
196
G - Geography, Anthropology, Recreation
57
D - World History
30
T - Technology
25
Q - Science
19
Z - Library Science
13
F - General American History
12
E - United States History
9
P - Language and Literature
8
C - Historical Sciences
7
R - Medicine
6
B - Philosophy, Psychology, Religion
4
K - Law
2
A - General Works
1
J - Political Science
1
M - Music
1
V - Naval Science
1