Шифр
D - World History
324
P - Language and Literature
100
H - Social Science
99
L - Education
47
B - Philosophy, Psychology, Religion
42
J - Political Science
36
K - Law
36
N - Fine Arts
18
R - Medicine
13
Z - Library Science
13
Q - Science
11
F - General American History
10
G - Geography, Anthropology, Recreation
10
T - Technology
9
C - Historical Sciences
8
U - Military Science
5
M - Music
4
V - Naval Science
4
S - Agriculture
2
A - General Works
1
E - United States History
1