CLASSIFICATION
H - Social Science
648
Q - Science
186
T - Technology
14
L - Education
13
J - Political Science
11
Z - Library Science
9
D - World History
5
A - General Works
3
S - Agriculture
3
B - Philosophy, Psychology, Religion
2
R - Medicine
2
N - Fine Arts
1
P - Language and Literature
1
U - Military Science
1