1From Benjamin Franklin to Cadwallader Colden, 26 February 1763 (Franklin Papers)
ALS : New-York Historical Society; draft (incomplete): American Philosophical Society Your Favour...
2From Benjamin Franklin to Cadwallader Colden, 5 December 1760 (Franklin Papers)
ALS : New-York Historical Society I take this first Opportunity of congratulating you most...
3From Benjamin Franklin to Cadwallader Colden, 30 August 1754 (Franklin Papers)
ALS : New-York Historical Society I have now before me your Favours of July 23. and August 5th. I...
4From Benjamin Franklin to Cadwallader Colden, 21 July 1754 (Franklin Papers)
ALS : New-York Historical Society I wrote a Line to you from your Landing, promising to send you...
5From Benjamin Franklin to Cadwallader Colden, 14 July 1754 (Franklin Papers)
ALS : New-York Historical Society I am very sorry that our unexpected long Stay at Albany...
6From Benjamin Franklin to James Alexander and Cadwallader Colden with Short Hints towards a Scheme for Uniting the … (Franklin Papers)
Copy: New-York Historical Society; also transcript: Library of Congress The Pennsylvania...
7From 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...
8From Benjamin Franklin to Cadwallader Colden, 6 December 1753 (Franklin Papers)
Letter: ALS : New-York Historical Socity; enclosure: draft: American Philosophical Society I...
9From 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...
10From Benjamin Franklin to Cadwallader Colden, 12 April 1753 (Franklin Papers)
ALS : New-York Historical Society I received your Favour of March 20. and a subsequent one...