Chesterfield Monthly Meeting (Swarthmore, PA: Swarthmore College Quaker Meeting Records Friends Historical Library) Minutes, 1659-1885, p. 36.[1] See also records for Aaron Hewes [2]
Jennings B. Sanders, Evolution of the Executive Departments of the Continental Congress 1774-1789 (Chapel Hill: The University of North Carolina Press, 1935), p. 311-312.
E. James Ferguson, "Business, Government, and Congressional Investigation in the Revolution" The William and Mary Quarterly, Jul 1959, Vol 16, No. 3, p. 293.