Шифр
P - Language and Literature
12,267
H - Social Science
3,952
M - Music
487
K - Law
386
D - World History
336
F - General American History
136
A - General Works
115
B - Philosophy, Psychology, Religion
94
E - United States History
90
R - Medicine
37
J - Political Science
33
Z - Library Science
33
G - Geography, Anthropology, Recreation
27
L - Education
27
C - Historical Sciences
22
V - Naval Science
17
N - Fine Arts
13
T - Technology
10
U - Military Science
6
Q - Science
3
S - Agriculture
1