CLASSIFICATION
H - Social Science
682
T - Technology
213
Z - Library Science
124
L - Education
101
Q - Science
88
J - Political Science
36
M - Music
17
G - Geography, Anthropology, Recreation
15
P - Language and Literature
11
K - Law
9
C - Historical Sciences
8
A - General Works
5
R - Medicine
5
B - Philosophy, Psychology, Religion
4
D - World History
2
N - Fine Arts
2
S - Agriculture
1
U - Military Science
1