CLASSIFICATION
H - Social Science
157
L - Education
53
R - Medicine
36
T - Technology
11
K - Law
10
Q - Science
6
S - Agriculture
6
N - Fine Arts
5
P - Language and Literature
5
B - Philosophy, Psychology, Religion
4
G - Geography, Anthropology, Recreation
4
M - Music
3
C - Historical Sciences
2
A - General Works
1
D - World History
1