1From Benjamin Franklin to Joseph Priestley, 4 May 1772 (Franklin Papers)
ALS (draft): American Philosophical Society I think with you that there cannot be the least...
2From Benjamin Franklin to Joseph Priestley, [July 1772]: extract (Franklin Papers)
Extract: printed in Joseph Priestley, “Observations on Different Kinds of Air,” the Royal...
3From Benjamin Franklin to Joseph Priestley, 19 September 1772 (Franklin Papers)
ALS (letterbook draft) and copy: Library of Congress In July, 1772, Lord Shelburne asked...
4From Benjamin Franklin to Joseph Priestley, 10 April 1774 (Franklin Papers)
Printed in Joseph Priestley, Experiments and Observations on Different Kinds of Air … (3 vols.,...
5From Benjamin Franklin to [Joseph Priestley], 16 May 1775 (Franklin Papers)
Printed in Benjamin Vaughan, ed., Political, Miscellaneous, and Philosophical Pieces . . ....
6From Benjamin Franklin to [Joseph Priestley?], May 1775 (Franklin Papers)
Unfinished draft: Library of Congress During his voyage to Philadelphia Franklin made the...
7From Benjamin Franklin to [Joseph Priestley], 7 July 1775: extract (Franklin Papers)
Extract printed in Benjamin Vaughan, ed., Political, Miscellaneous, and Philosophical Pieces...
8From Benjamin Franklin to Joseph Priestley, 3 October 1775: extract (Franklin Papers)
Extract printed in Benjamin Vaughan, ed., Political, Miscellaneous, and Philosophical Pieces...
9From Benjamin Franklin to Joseph Priestley, 27 January 1777 (Franklin Papers)
AL (incomplete) and copy: Library of Congress I received your very kind Letter of Feby. last,...
10From Benjamin Franklin to Joseph Priestley, 8 February 1780 (Franklin Papers)
AL (draft) and two copies: Library of Congress Your kind Letter of Sept. 27. came to hand but...