Шифр
P - Language and Literature
13,550
D - World History
5,896
Z - Library Science
4,297
H - Social Science
3,684
N - Fine Arts
3,284
B - Philosophy, Psychology, Religion
2,562
M - Music
1,784
K - Law
1,725
A - General Works
1,535
T - Technology
1,152
F - General American History
886
C - Historical Sciences
577
S - Agriculture
561
G - Geography, Anthropology, Recreation
525
R - Medicine
516
Q - Science
486
L - Education
265
J - Political Science
229
E - United States History
169
U - Military Science
54
V - Naval Science
32