11From Benjamin Franklin to Cadwallader Colden, 28 June 1750 (Franklin Papers)
ALS : New-York Historical Society I wrote a Line to you last Post, and sent you some Electrical...
12From Benjamin Franklin to Cadwallader Colden, 23 April 1752 (Franklin Papers)
ALS : New-York Historical Society; also draft: American Philosophical Society In considering your...
13From 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...
14From Benjamin Franklin to Cadwallader Colden, 1 January 1754 (Franklin Papers)
ALS : New-York Historical Society I have your Favour of the 3d past, with your Son’s Remarks on...
15From Benjamin Franklin to Cadwallader Colden, 14 May 1752 (Franklin Papers)
ALS : New-York Historical Society I find Parker has been indiscreet enough, to print a Piece in...
16From 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...
17From Benjamin Franklin to Cadwallader Colden, 25 October 1753 (Franklin Papers)
ALS : New-York Historical Society This last Summer I have enjoy’d very little of the Pleasure of...
18From Benjamin Franklin to Cadwallader Colden, 5 June 1747 (Franklin Papers)
ALS : New-York Historical Society Mr. Harrison tells me you are still in New York, as deeply...
19From 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....
20From Benjamin Franklin to Cadwallader Colden, 28 February 1753 (Franklin Papers)
ALS : New-York Historical Society I return you herewith Professor Kanster’s Remarks. As far as I...