Шифр
P - Language and Literature
252
D - World History
155
B - Philosophy, Psychology, Religion
61
G - Geography, Anthropology, Recreation
43
Q - Science
28
H - Social Science
16
N - Fine Arts
9
T - Technology
8
E - United States History
6
M - Music
6
C - Historical Sciences
4
S - Agriculture
3
U - Military Science
3
J - Political Science
2
A - General Works
1
F - General American History
1
K - Law
1
Z - Library Science
1