Classification
D - World History
104
P - Language and Literature
104
L - Education
25
T - Technology
19
M - Music
18
Q - Science
14
B - Philosophy, Psychology, Religion
13
H - Social Science
12
G - Geography, Anthropology, Recreation
9
R - Medicine
9
C - Historical Sciences
8
F - General American History
8
S - Agriculture
7
K - Law
6
N - Fine Arts
5
A - General Works
4
E - United States History
4
J - Political Science
2
Z - Library Science
2