Sealey, Raphael, author
University of North Carolina Press, 1990
Buku Teks
Sealey, Raphael
London The University of North Carolina Press 1990,
Buku Teks
Bowra, C. M., author
Time-Life Books, 1965
Buku Teks
Shanks, Michael, author
Routledge, 1996
Buku Teks
Schulz, Fritz, author
Clarendon Press, 1954
Buku Teks