Souliw, Charles Georges, author
J. Cape & H. Smith, 1931
Buku Teks
American Council of Learned Societies, 1956
Buku Teks
Bushell, Stephen W., author
Wyman and Sons, 1906
Buku Teks
Willetts, William Y., author
Penguin Books , 1958
Buku Teks
Burling, Judith, author
Thames and Hudson, 1953
Buku Teks