George Washington, Jared Sparks (1834). “The Writings of George Washington: Being His Correspondence, Addresses, Messages, and Other Papers, Official and Private, Selected and Published from the Original Manuscripts”, p.436
John Buchan (2016). “JOHN BUCHAN Ultimate Collection: Spy Classics, Thrillers, Adventure Novels & Short Stories, Including Historical Works and Essays (Illustrated): Scottish Poems, World War I Books & Mystery Novels like Thirty-Nine Steps, Greenmantle, Huntingtower, No Man’s Land, Prester John and many more”, p.807, e-artnow
George Washington, David Maydole Matteson, United States George Washington Bicentennial Commission (1931). “The writings of George Washington from the original manuscript sources, 1745-1799”