Snyder, Louis L., author
Van Nostrand Company, 1958
Buku Teks
Gammage, Bill, editor
Penguin Books, 1975
Buku Teks
David McKay Company, Inc., 1960
Buku Teks
Young, Peter, author
Bison Books, 1985
Buku Referensi
Ismail Marahimin, author
Louisiana State University Press, 1986
Buku Teks