Classification
Z - Library Science
193
Q - Science
11
T - Technology
9
C - Historical Sciences
7
F - General American History
6
M - Music
6
S - Agriculture
6
H - Social Science
4
A - General Works
2
D - World History
2
L - Education
2
P - Language and Literature
2
G - Geography, Anthropology, Recreation
1
K - Law
1
R - Medicine
1
U - Military Science
1