Adkins, Dorothy C., author
Charles E. Merrill Books , 1964
Buku Teks
Kaplan, Robert M., author
Allyn and Bacon , 1987
Buku Teks
Hammond, Kenneth R., author
Knopf, 1963
Buku Teks
Hammond, Kenneth R., author
Alfred A. Knopf , 1962
Buku Teks
Siegel, Sidney, author
Armico, 1985
Buku Teks