1From Benjamin Franklin to Peter Collinson, September 1753 (Franklin Papers)
Copy: Massachusetts Historical Society In my former Paper on this Subject, wrote first in 1747,...
2From Benjamin Franklin to Peter Collinson, 23 November 1753 (Franklin Papers)
MS not found; reprinted from Benjamin Franklin, Experiments and Observations on Electricity...
3From Benjamin Franklin to Peter Collinson, 1753 (Franklin Papers)
Transcript: Historical Society of Pennsylvania With regard to the Germans, I think Methods of...
4From Benjamin Franklin to Peter Collinson, 18 April 1754 (Franklin Papers)
Copy: New-York Historical Society Since September last, having been abroad on two long Journeys,...
5From Benjamin Franklin to Peter Collinson, 28 May 1754 (Franklin Papers)
Copy: American Philosophical Society I had at length the pleasure of hearing from you per the...
6From Benjamin Franklin to Peter Collinson, 29 July 1754 (Franklin Papers)
ALS : American Philosophical Society I am just return’d from Albany, where were Commissioners...
7From Benjamin Franklin to Peter Collinson, 29 December 1754 (Franklin Papers)
ALS : Pierpont Morgan Library I wrote a few Lines by a Vessel that went from hence about 2 Weeks...