Classification
Z - Library Science
145
C - Historical Sciences
21
D - World History
12
E - United States History
9
K - Law
8
F - General American History
7
M - Music
7
H - Social Science
4
L - Education
4
Q - Science
4
N - Fine Arts
3
T - Technology
3
A - General Works
1
G - Geography, Anthropology, Recreation
1
J - Political Science
1
P - Language and Literature
1
S - Agriculture
1