CLASSIFICATION
H - Social Science
1,298
D - World History
45
J - Political Science
37
T - Technology
36
B - Philosophy, Psychology, Religion
28
Q - Science
25
L - Education
23
K - Law
22
P - Language and Literature
12
G - Geography, Anthropology, Recreation
5
R - Medicine
4
Z - Library Science
4
A - General Works
3
C - Historical Sciences
3
U - Military Science
2
N - Fine Arts
1
S - Agriculture
1