Fischer, Louis, author
Princeton University Press, 1951
Buku Teks
Thompson, June M., author
Westview Press, 1990
Buku Teks
Amalrik, Andrei, author
Harper and Row, 1980
Buku Teks
The University of Chicago Press, 1983
Buku Teks
edited by Alexander Dallin, Alan F. Westin
Harcourt, Brace and World, 1966
Buku Teks