edited by Irving William Knobloch
Appleton-Century-Crofts, 1967
Buku Teks
Keeton, William T., author
Penguin Books, 1976
Buku Teks
Silverstein, Alvin
Rinehart Press , 1974
Buku Teks
Winchester, A.M., author
D. Van Nostrand , 1965
Buku Teks
by Lawrence W. Scott [and others]
Burgess, 1976
Buku Teks