Шифр
P - Language and Literature
2,546
H - Social Science
932
B - Philosophy, Psychology, Religion
658
D - World History
526
F - General American History
485
R - Medicine
414
K - Law
321
Q - Science
303
L - Education
257
J - Political Science
256
G - Geography, Anthropology, Recreation
190
N - Fine Arts
149
T - Technology
123
S - Agriculture
61
A - General Works
53
Z - Library Science
50
E - United States History
49
M - Music
46
C - Historical Sciences
39
U - Military Science
18
V - Naval Science
5