Шифр
D - World History
10,209
H - Social Science
6,671
P - Language and Literature
4,085
N - Fine Arts
2,299
J - Political Science
1,693
B - Philosophy, Psychology, Religion
1,111
L - Education
534
M - Music
392
G - Geography, Anthropology, Recreation
378
T - Technology
298
C - Historical Sciences
277
K - Law
266
U - Military Science
237
Z - Library Science
192
E - United States History
185
R - Medicine
143
A - General Works
83
Q - Science
74
S - Agriculture
57
V - Naval Science
35
F - General American History
5