Littlejohn, David
Black on white: a critical survey of writing by American Negroes/Littlejohn David
Grossman , 1966
 Buku Teks
Barnes, Harry Elmer
The American way of life : an introduction to the study of contemporary society
Prentice-Hall, 1950
 Buku Teks
Journal of the American oriental society
New Slaven : American Oriental Society
 Majalah, Jurnal, Buletin
Proceeding of the American Antiquarian society
Massachusetts : The Society
 Majalah, Jurnal, Buletin
American Journal Society Of International Law
The American Society of International Law, 1993
 Majalah, Jurnal, Buletin