CLASSIFICATION
T - Technology
862
Q - Science
819
R - Medicine
245
H - Social Science
182
G - Geography, Anthropology, Recreation
95
S - Agriculture
53
K - Law
14
J - Political Science
13
N - Fine Arts
7
P - Language and Literature
7
B - Philosophy, Psychology, Religion
4
M - Music
3
U - Military Science
3
Z - Library Science
3
L - Education
2
D - World History
1