Rayfield, Donald
Curzon, 2000
Buku Teks
Sutherland, John, 1938-, author
Yale University Press, 2013
Buku Teks
edited by John Parham, Louise Westling
Cambridge University Press, 2017
Buku Teks
Oxford University Press, 1981
Koleksi Publik
Collier, WIlliam Francis, author
Thomas Nelson and Son, 1920
Buku Teks