Шифр
H - Social Science
53
Q - Science
41
R - Medicine
27
P - Language and Literature
26
B - Philosophy, Psychology, Religion
23
D - World History
19
T - Technology
13
G - Geography, Anthropology, Recreation
10
K - Law
8
J - Political Science
7
L - Education
7
S - Agriculture
7
M - Music
6
N - Fine Arts
6
Z - Library Science
4
A - General Works
3
E - United States History
1