1To Benjamin Franklin from Cadwallader Colden, 2 April 1754 (Franklin Papers)
Draft: New-York Historical Society I should have acknowleged your favour of the 1st of January...
2From Benjamin Franklin to Cadwallader Colden, 13 August 1747 (Franklin Papers)
ALS : New-York Historical Society I am glad the electrical Observations please you. I leave them...
3To Benjamin Franklin from Cadwallader Colden, 1 October 1765 (Franklin Papers)
Letterbook copy: New-York Historical Society My regard to you makes me give you the trouble of...
4From 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...
5From Benjamin Franklin to Cadwallader Colden, 6 August 1747 (Franklin Papers)
ALS : New-York Historical Society; draft: American Philosophical Society The Observations I sent...
6From Benjamin Franklin to Cadwallader Colden, 27 August 1747 (Franklin Papers)
ALS : Yale University Library This just serves to enclose you a Letter from our Friend Bertram;...
7To Benjamin Franklin from Cadwallader Colden, 28 October 1751 (Franklin Papers)
Draft: New-York Historical Society I had the pleasure of receiving yours with the favour of a...
8To Benjamin Franklin from Cadwallader Colden, 28 September 1747 (Franklin Papers)
ALS : American Philosophical Society I am obliged by your favour of the 24th and the Information...
9To 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...
10From 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...
11From 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...
12From 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...
13From 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...
14From Benjamin Franklin to Cadwallader Colden, 30 July 1747 (Franklin Papers)
ALS : Yale University Library I receiv’d your Favour of the 26th. which I shall answer at large...
15To Benjamin Franklin from Cadwallader Colden, 3 August 1747 (Franklin Papers)
ALS : New-York Historical Society Baxters [book] was gon so much out of my memory that I could...
16From Benjamin Franklin to Cadwallader Colden, 5 December 1760 (Franklin Papers)
ALS : New-York Historical Society I take this first Opportunity of congratulating you most...
17From Benjamin Franklin to Cadwallader Colden, 24 September 1747 (Franklin Papers)
ALS : New-York Historical Society I have one of your Histories come in among some Books sent me...
18From Benjamin Franklin to Cadwallader Colden, 1 October 1747 (Franklin Papers)
ALS : New-York Historical Society I send you herewith the History of the Five Nations. You will...
19From Benjamin Franklin to Cadwallader Colden, 27 November 1747 (Franklin Papers)
ALS : New-York Historical Society The violent Party Spirit that appears in all the Votes &c. of...
20From 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...
21From 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...
22From Benjamin Franklin to Cadwallader Colden, 11 October 1750 (Franklin Papers)
ALS : New-York Historical Society I have learnt by different hands, that Dr. Mitchel continues in...
23From Benjamin Franklin to Cadwallader Colden, 26 February 1763 (Franklin Papers)
ALS : New-York Historical Society; draft (incomplete): American Philosophical Society Your Favour...
24To Benjamin Franklin from Cadwallader Colden, 29 November 1753 (Franklin Papers)
Draft (letter and enclosure): New-York Historical Society; copy (enclosure only): American...
25From Benjamin Franklin to Cadwallader Colden, 6 December 1753 (Franklin Papers)
Letter: ALS : New-York Historical Socity; enclosure: draft: American Philosophical Society I...
26From Benjamin Franklin to Cadwallader Colden, 10 July 1746 (Franklin Papers)
ALS : New-York Historical Society I have your Favours of June 2d. and the 7th Instant. I thank...
27From 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...
28To Benjamin Franklin from Cadwallader Colden, 16 March 1752 (Franklin Papers)
Draft: New-York Historical Society Last fall I acknowleged from New York the favour you did me in...
29From 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...
30From Benjamin Franklin to Cadwallader Colden, 23 April 1752 (Franklin Papers)
ALS : New-York Historical Society; also draft: American Philosophical Society In considering your...