CLASSIFICATION
D - World History
96
N - Fine Arts
47
H - Social Science
31
L - Education
20
G - Geography, Anthropology, Recreation
18
P - Language and Literature
14
T - Technology
12
B - Philosophy, Psychology, Religion
10
A - General Works
5
E - United States History
4
S - Agriculture
4
Z - Library Science
4
C - Historical Sciences
3
Q - Science
3
M - Music
2
K - Law
1
U - Military Science
1
V - Naval Science
1