CLASSIFICATION
D - World History
103
H - Social Science
43
Q - Science
30
P - Language and Literature
25
C - Historical Sciences
16
B - Philosophy, Psychology, Religion
15
N - Fine Arts
13
R - Medicine
13
E - United States History
12
G - Geography, Anthropology, Recreation
10
T - Technology
9
F - General American History
7
Z - Library Science
4
U - Military Science
3
J - Political Science
2
K - Law
2
M - Music
2
A - General Works
1
L - Education
1
S - Agriculture
1