CLASSIFICATION
H - Social Science
187
T - Technology
24
L - Education
12
S - Agriculture
12
G - Geography, Anthropology, Recreation
11
Q - Science
7
K - Law
5
M - Music
3
C - Historical Sciences
2
J - Political Science
2
A - General Works
1
D - World History
1
N - Fine Arts
1
P - Language and Literature
1
R - Medicine
1