CLASSIFICATION
R - Medicine
1,343
Q - Science
242
P - Language and Literature
129
D - World History
112
H - Social Science
110
T - Technology
60
B - Philosophy, Psychology, Religion
34
E - United States History
31
G - Geography, Anthropology, Recreation
28
L - Education
24
J - Political Science
19
F - General American History
15
C - Historical Sciences
12
N - Fine Arts
12
M - Music
9
Z - Library Science
5
S - Agriculture
4
K - Law
3
U - Military Science
2