England and the Italian Renaissance, 1996 t.p. (John Hale) p. xii (Sir John Hale.; J.R. Hale)
His Settlers, 1950.
Lexis-Nexis Academic Universe, Jan. 18, 2001 Daily telegraph, Aug. 16, 1999 (John Rigby Hale; b. Sept. 17, 1923, Ashford, Kent; Renaissance scholar, military historian) New York times, Aug. 21, 1999 (Sir John Hale; d. Aug. 12, 1999)