Шифр
P - Language and Literature
5,259
N - Fine Arts
2,596
D - World History
2,104
H - Social Science
1,478
B - Philosophy, Psychology, Religion
747
M - Music
370
J - Political Science
292
F - General American History
271
Z - Library Science
263
L - Education
240
T - Technology
200
G - Geography, Anthropology, Recreation
188
R - Medicine
167
E - United States History
150
U - Military Science
105
Q - Science
103
C - Historical Sciences
78
V - Naval Science
66
A - General Works
43
S - Agriculture
42
K - Law
40