Bowra, C. M., author
Time-Life Books, 1965
Buku Teks
Sealey, Raphael, author
University of North Carolina Press, 1990
Buku Teks
Shanks, Michael, author
Routledge, 1996
Buku Teks
Sealey, Raphael
London The University of North Carolina Press 1990,
Buku Teks
Eliot, Alexander
Time Incerperated, 1963
Buku Teks