Rae, John B., author
McGraw-Hill, 1949
Buku Teks
Doren, Carl van, author
Time Reading Program, 1965
Buku Teks
Risjord, Norman K., author
Prentice-Hall, 1985
Buku Teks
Williams, T. Harry, author
Alfred A. Knopf, 1963
Buku Teks
Beard, Charles A., author
New Home Library, 1944
Buku Teks