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....
11To Benjamin Franklin from Cadwallader Colden, [February 1746] (Franklin Papers)
Draft: New-York Historical Society There is no Question but in the case you mention of a ships...
12From 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...
13From Benjamin Franklin to Cadwallader Colden, 16 October 1746 (Franklin Papers)
ALS : New-York Historical Society I have receiv’d your Favour of the 13th. Instant, and am glad...
14From 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...
15From 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...
16To 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...
17From Benjamin Franklin to Cadwallader Colden, 6 August 1747 (Franklin Papers)
ALS : New-York Historical Society; draft: American Philosophical Society The Observations I sent...
18From 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...
19From 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;...
20From 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...
21To 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...
22From 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...
23From 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...
24From Benjamin Franklin to Cadwallader Colden, 27 January 1748 (Franklin Papers)
AL : New-York Historical Society I received your Favour relating to the Cannon. We have...
25From Benjamin Franklin to Cadwallader Colden, 29 September 1748 (Franklin Papers)
ALS : New-York Historical Society I received your Favour of the 12th Inst. which gave me the...
26To Benjamin Franklin from Cadwallader Colden, [November 1749] (Franklin Papers)
Draft: New-York Historical Society I receiv’d by the last opportunity from New York the Proposals...
27From Benjamin Franklin to Cadwallader Colden, 13 February 1750 (Franklin Papers)
ALS : Historical Society of Pennsylvania I receiv’d your very kind Letter relating to my...
28From 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...
29From 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...
30To 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...