Willson, Beckles (1969). "King George's First Envoy". Friendly Relations: A Narrative of Britain's Ministers and Ambassadors to America, 1791–1930. Ayer Publishing. ISBN978-0-8369-1266-1. Retrieved 22 December 2008.
House of Commons (1838). Parliamentary Papers. p. 37. The titles (including spelling) and dates in the timeline come directly from these papers. They continue: "In the year 1806, when Mr. Hammond was entitled, from length of service, to a pension of 1,200 l., a pension of 600 l. was granted to him, together with pensions of 150 l. a year to each of his four children."