CLASSIFICATION
T - Technology
350
H - Social Science
299
R - Medicine
115
G - Geography, Anthropology, Recreation
103
Q - Science
64
N - Fine Arts
22
K - Law
11
A - General Works
7
P - Language and Literature
6
V - Naval Science
5
L - Education
4
B - Philosophy, Psychology, Religion
3
C - Historical Sciences
3
J - Political Science
2
S - Agriculture
1
Z - Library Science
1