Шифр
D - World History
128,407
H - Social Science
67,422
P - Language and Literature
53,720
N - Fine Arts
51,816
K - Law
35,592
B - Philosophy, Psychology, Religion
34,599
M - Music
18,557
G - Geography, Anthropology, Recreation
16,456
J - Political Science
16,387
L - Education
11,377
Q - Science
10,700
Z - Library Science
10,623
T - Technology
9,010
C - Historical Sciences
8,077
R - Medicine
6,247
A - General Works
5,979
U - Military Science
4,566
F - General American History
3,726
S - Agriculture
3,624
E - United States History
1,498
V - Naval Science
1,002