1To Benjamin Franklin from Cadwallader Colden, [October 1743] (Franklin Papers)
Draft: New-York Historical Society Ever since I had the Pleasure of a Conversation with you tho...
2From Benjamin Franklin to Cadwallader Colden, 4 November 1743 (Franklin Papers)
ALS : New-York Historical Society; also transcript: Library of Congress I received the Favour of...
3From Benjamin Franklin to Cadwallader Colden, 5 April 1744 (Franklin Papers)
ALS : New-York Historical Society; also transcript: Library of Congress Happening to be in this...
4From Benjamin Franklin to Cadwallader Colden, 13 September 1744 (Franklin Papers)
ALS : Yale University Library Dr. Mitchel, a Gentleman from Virginia, came to Town this Morning...
5To Benjamin Franklin from Cadwallader Colden, 17 September 1744 (Franklin Papers)
Draft: Yale University Library I have Yours of the 13th and am glad to find by it that you have...
6From Benjamin Franklin to Cadwallader Colden, 25 October 1744 (Franklin Papers)
ALS : New-York Historical Society I communicated your Piece on Fluxions to Mr. Logan, and being...
7To Benjamin Franklin from Cadwallader Colden, December 1744 (Franklin Papers)
Draft: New-York Historical Society The season of the year advancing in which our Correspondence...
8From Benjamin Franklin to Cadwallader Colden, 15 August 1745 (Franklin Papers)
ALS : New-York Historical Society I receiv’d your Favour of the 20th past, with your medical...
9From Benjamin Franklin to Cadwallader Colden, 28 November 1745 (Franklin Papers)
ALS : New-York Historical Society I shall be very willing and ready, when you think proper to...
10From Benjamin Franklin to Cadwallader Colden, [February 1746] (Franklin Papers)
ALS : New-York Historical Society I receiv’d yours with others enclos’d for Mr. Bertram and Mr....