H.E. Malden, ed. (1911). "Parishes: Thames Ditton". A History of the County of Surrey: Volume 3. Institute of Historical Research. Retrieved 30 September 2013.
Samuel Lewis (1848). "Ditton, Thames". A Topographical Dictionary of England. Institute of Historical Research. Retrieved 30 September 2013.
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mypage.siu.edu
HartmanArchived 2014-04-24 at the Wayback Machine, “Que sera sera”: The English Roots of a Pseudo-Spanish Proverb, Proverbium, 30(2013):51-104.