Шифр
L - Education
59
H - Social Science
23
R - Medicine
8
Z - Library Science
8
P - Language and Literature
7
Q - Science
7
B - Philosophy, Psychology, Religion
5
C - Historical Sciences
3
K - Law
3
A - General Works
2
D - World History
2
E - United States History
2
N - Fine Arts
2
T - Technology
2
J - Political Science
1