Antieau, Chester James
Dennis & C0., 1960
Buku Teks
introduction by Edward G. Smith
Barnes & Noble, 1966
Buku Teks
Dumbauld, Edward, editor
University of Oklahoma Press, 1946
Buku Teks
Munro, William Bennett
Macmillan, 1952
Buku Teks
Cooley, Thomas M.
Little, Brown and Company, 1898
Buku Teks