James S. and Frances M. Bradford Collection | APS Digital Library

: "Scheme for a New Alphabet."; See APSdigobj3108 for letter written in this alphabet.

: Benjamin Franklin to Polly Stevenson Hewson, July 20, 1768.; See also: APSdigobj3109

: Craven Street Gazette, September 22, 1770.

: Hewson, Mary Stevenson to Dr. John Hawkesworth, 1761 December 16

: Mary Stevenson Hewson to Benjamin Franklin, 1761 January 13

: Mary Stevenson Hewson to Benjamin Franklin, 1768 September 26