1From Benjamin Franklin to David Hartley, 14 October[–11 December] 1777 (Franklin Papers)
Copies: Archives du Ministère des affaires étrangères, Library of Congress I received duly your...
2From Benjamin Franklin to David Hartley, 5 February 1778 (Franklin Papers)
Transcript: Library of Congress I am exceedingly obliged by your interesting yourself so warmly...
3From Benjamin Franklin to David Hartley, 12 February 1778 (Franklin Papers)
Copies: Archives du Ministère des affaires étrangères, Massachusetts Historical Society;...
4From Benjamin Franklin to David Hartley, 26 February 1778 (Franklin Papers)
ALS : New York Public Library; transcript: Library of Congress I receiv’d yours of the 18th and...