Wright, David, 1920-, author
Penguins Book, 1957
Buku Klasik
Kennedy, Charles W., author
Oxford University Press, 1943
Buku Teks
Penguin Books , 1973
Buku Teks
The Modern library, 1935
Buku Teks
Ker, W.P. (William Paton), 1855-1923, author
Oxford University Press, 1948
Buku Teks