Tindall, William York, author
Books for Libraries Press, 1947
Buku Teks
Morrison, Blake, author
Methuen , 1986
Buku Teks
Hewit, Douglas, author
Longman , 1988
Buku Teks
Pinto, Vivian de Sola
Hutchinson's University Library, 1951
Buku Teks
edited by Michael Roberts
Faber and Faber, 1966
Buku Teks