Шифр
D - World History
58,768
J - Political Science
34,236
F - General American History
15,909
H - Social Science
12,453
E - United States History
8,583
B - Philosophy, Psychology, Religion
5,604
P - Language and Literature
3,776
K - Law
2,830
A - General Works
2,198
Z - Library Science
1,540
U - Military Science
785
L - Education
471
M - Music
471
C - Historical Sciences
346
N - Fine Arts
269
G - Geography, Anthropology, Recreation
230
T - Technology
193
Q - Science
89
R - Medicine
89
S - Agriculture
39
V - Naval Science
39