Travers, Kenneth J.
Laidlaw Brothers, 1987
Buku Teks SO
Jurgensen, Ray C.
Houghton-Miffiln, 1983
Buku Teks SO
Brumfiel, Charles Francis, 1914-
Addison-Wesley, 1962
Buku Teks SO
Kohn, Edward
Neb Cliffs Notes, 1994
Buku Teks SO
Schapiro, J. Salwyn [Jacob Salwyn], 1879-1973
D. Van Nostrand, 1958
Buku Teks