1Alexander Colden to James Parker, 28 July 1755 (Franklin Papers)
ALS : Massachusetts Archives By the Phi: Post received the Inclosed from Mr. Franklin which he...
2From Benjamin Franklin to [Alexander] Colden, 8 April 1760 (Franklin Papers)
Draft: American Philosophical Society I have ordered into your Care from Liverpool 9 Casks and a...
3To Benjamin Franklin from Alexander Colden, 2 July 1771 (Franklin Papers)
ALS : American Philosophical Society The [favour?] of yours of the first May I received by the...
4To Benjamin Franklin from Alexander Colden, 6 August 1771 (Franklin Papers)
ALS : American Philosophical Society The 2d of last Month I wrote you by the Packet in Answer to...
5From Benjamin Franklin to Alexander Colden, 7 October 1772: résumé (Franklin Papers)
ALS (letterbook draft): Library of Congress <London, October 7, 1772. Has acknowledged in...
6From Benjamin Franklin to Alexander Colden, 3 November 1772 (Franklin Papers)
ALS (letterbook draft): Library of Congress Inclos’d I return to you Mackie’s Bill on Molleson...
7From Benjamin Franklin to Alexander Colden, 2 December 1772 (Franklin Papers)
ALS (letterbook draft): Library of Congress I duly received yours of Oct. 10. with the Accounts,...
8From Benjamin Franklin to Alexander Colden, 6 January 1773: résumé (Franklin Papers)
ALS (letterbook draft): Library of Congress <London, January 6, 1773. Returns two protested...
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, 2 February 1773 (Franklin Papers)
ALS (letterbook draft): Library of Congress I receiv’d yours of Dec. 2. enclosing a Bill Hancock...
11From 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...
12From 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...
13From 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...
14To 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...
15To 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...
16From 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:...
17From 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...