Classification
D - World History
58
P - Language and Literature
18
N - Fine Arts
11
B - Philosophy, Psychology, Religion
8
H - Social Science
8
M - Music
7
A - General Works
6
J - Political Science
6
C - Historical Sciences
2
F - General American History
2
T - Technology
2
Z - Library Science
2
G - Geography, Anthropology, Recreation
1
L - Education
1
Q - Science
1
S - Agriculture
1
U - Military Science
1