Joseph Haydn, The Book of Dignities : Containing Rolls of the Official Personages of the British Empire ... from the Earliest Periods to the Present Time ... Together with the Sovereigns of Europe, from the Foundation of Their Respective States; the Peerage of England and Great Britain ..., Longmans, Brown, Green, and Longmans, (lire en ligne), p. 190
Nancy L. Rhoden, English Atlantics Revisited : Essays Honouring Ian K. Steele, McGill-Queen's Press - MQUP, , 560 p. (ISBN978-0-7735-6040-6, lire en ligne), p. 36