Lewis, Sherman, author
Duxbury Press, 1980
Buku Teks
Currie, Elliott, author
Little, Brown, 1984
Buku Teks
Jones, Sidney, author
Kemitraaan Partnership, 2005
Buku Teks
edited by Fredrick B. Pike
University of Notre Dame Press, 1959
Buku Teks
edited by Philip John Davies and Fredric A. Waldstein
Manchester University Press, 1987
Buku Teks