CLASSIFICATION
D - World History
188
T - Technology
127
Q - Science
111
N - Fine Arts
61
G - Geography, Anthropology, Recreation
49
B - Philosophy, Psychology, Religion
44
R - Medicine
27
H - Social Science
17
S - Agriculture
15
F - General American History
12
C - Historical Sciences
8
E - United States History
6
P - Language and Literature
1