Herrick, Robert, 1591-1674, author
Norton, 1968
Buku Teks
Kroestch, Robert
General Publishing, 1970
Buku Teks
Ludlum, Robert
Grafton, 1991
Buku Teks
Kane, Robert S.
Doubleday & Company, 1964
Buku Teks
Shafer, Robert
[publisher not identified], [date of publication not identified]
Buku Teks