Шифр
B - Philosophy, Psychology, Religion
8,597
P - Language and Literature
7,892
Z - Library Science
7,387
D - World History
4,705
N - Fine Arts
3,764
M - Music
1,470
H - Social Science
1,272
Q - Science
581
F - General American History
474
K - Law
469
A - General Works
447
J - Political Science
354
R - Medicine
304
G - Geography, Anthropology, Recreation
272
C - Historical Sciences
199
L - Education
150
S - Agriculture
104
E - United States History
89
T - Technology
70
U - Military Science
70
V - Naval Science
70