1To Benjamin Franklin from Charles Blagden, 22 June 1783 (Franklin Papers)
AL : American Philosophical Society Dr. Blagden will do himself the honour of dining with Dr....
2To Benjamin Franklin from Charles Blagden, 10 July 1783 (Franklin Papers)
AL : American Philosophical Society Dr. Blagden presents his Compliments to Dr Franklin, & begs...
3Recommendation for Pierre Sonnerat to the Royal Society, [22 July? 1783] (Franklin Papers)
DS : American Philosophical Society M. Pierre Sonnerat, Correspondent of the Academy of Sciences...
4From Benjamin Franklin to Charles Blagden, 29 July 1783 (Franklin Papers)
AL : James M. Osborn, New Haven, Connecticut (1966) Dr Franklin presents his Compliments to Dr...