1From Benjamin Franklin to Alexander Colden, 1 September 1773: résumé (Franklin Papers)
ALS (letterbook draft): Library of Congress <London, September 1, 1773: Has received Colden’s of...
2From Benjamin Franklin to Alexander Colden, 3 August 1773: résumé (Franklin Papers)
ALS (letterbook draft): Library of Congress <West Wycomb, at Lord Le Despencer’s, August 3, 1773:...
3To Benjamin Franklin from Alexander Colden, 7 July 1773: résumé (Franklin Papers)
ALS : American Philosophical Society <General Post Office, New York, July 7, 1773: Has received...
4From Benjamin Franklin to Alexander Colden, 2 June 1773 (Franklin Papers)
ALS (letterbook draft): Library of Congress I received yours of April 7. inclosing Coningham and...
5To Benjamin Franklin from Alexander Colden, 2 June 1773: résumé (Franklin Papers)
ALS : American Philosophical Society <General Post Office, New York, June 2, 1773: Wrote him on...
6From Benjamin Franklin to Alexander Colden, 7 April 1773: résumé (Franklin Papers)
ALS (letterbook draft): Library of Congress <London, April 7, 1773: Has just received the...
7From Benjamin Franklin to Alexander Colden, 3 March 1773: résumé (Franklin Papers)
ALS (letterbook draft): Library of Congress <London, March 3, 1773: Has received Colden’s letter...
8From Benjamin Franklin to Alexander Colden, 2 February 1773 (Franklin Papers)
ALS (letterbook draft): Library of Congress I receiv’d yours of Dec. 2. enclosing a Bill Hancock...
9To Benjamin Franklin from Alexander Colden, 7 January 1773: résumé (Franklin Papers)
ALS : American Philosophical Society <General Post Office, January 7, 1773: Has received...
10From Benjamin Franklin to Alexander Colden, 6 January 1773: résumé (Franklin Papers)
ALS (letterbook draft): Library of Congress <London, January 6, 1773. Returns two protested...