Шифр
L - Education
309
H - Social Science
17
K - Law
14
P - Language and Literature
12
G - Geography, Anthropology, Recreation
10
B - Philosophy, Psychology, Religion
8
Q - Science
6
D - World History
4
R - Medicine
4
T - Technology
4
A - General Works
3
F - General American History
1
M - Music
1
N - Fine Arts
1
U - Military Science
1
Z - Library Science
1