Myers, Margaret G., author
Columbia University Press , 1970
Buku Teks
Kahin, George McTurnan, author
A Delta Book, 1967
Buku Teks
introduction by Edward G. Smith
Barnes & Noble, 1966
Buku Teks
Dumbauld, Edward, author
University of Oklahoma Press, 1946
Buku Teks
Antieau, Chester James, author
Dennis & Co., 1960
Buku Teks