De Burgh, W.G. (William George), 1866-1943
Penguin Books, 1953
Buku Teks
Godwin, Joscelyn
Thames and Hudson, 1981
Buku Teks
edited by Shelley Hales, Tamar Hodos
Cambridge University Press, 2010
Buku Teks
Mellersh, H.E.L., author
Simon & Schuster, 1994
Buku Referensi
Barnett, Mary, author
Grange Books, 1997
Buku Referensi