Letter from Beaupré Bell to Roger Gale, 11 December, 1736: B. sends Gale his dissertation upon Gale's coin that combined an obverse of Faustina with a reverse of Trajan. (Nichols 1781-1790, pp. 303-5; Lukis 1882-1887, vol. 3, p. 327; Burnett 2020b, p. 397)