Classification
T - Technology
66
R - Medicine
46
S - Agriculture
45
H - Social Science
36
K - Law
24
L - Education
13
J - Political Science
11
M - Music
7
Q - Science
7
D - World History
4
B - Philosophy, Psychology, Religion
3
P - Language and Literature
3
U - Military Science
3
A - General Works
2
F - General American History
2
E - United States History
1
G - Geography, Anthropology, Recreation
1
N - Fine Arts
1
Z - Library Science
1