Classification
P - Language and Literature
244
D - World History
139
G - Geography, Anthropology, Recreation
87
N - Fine Arts
47
F - General American History
29
C - Historical Sciences
12
B - Philosophy, Psychology, Religion
7
T - Technology
7
S - Agriculture
5
A - General Works
4
E - United States History
4
Q - Science
3
H - Social Science
2
M - Music
2
J - Political Science
1
V - Naval Science
1
Z - Library Science
1