1To Benjamin Franklin from John Perkins, 17 February 1752 (Franklin Papers)
ALS : American Philosophical Society I received your Bill by the last Post and thank you for it...
2To Benjamin Franklin from John Perkins, 3 August 1752 (Franklin Papers)
ALS : American Philosophical Society This comes to you on account of Dr. Douglass. He desired me...
3To Benjamin Franklin from John Perkins, 16 October 1752 (Franklin Papers)
ALS : American Philosophical Society I received yours of Septr. with the Observations for which I...
4To Benjamin Franklin from John Perkins, 23 October 1752 (Franklin Papers)
ALS and AL : American Philosophical Society In the Inclos’d you have all I have to say of that...
5To Benjamin Franklin from John Perkins, February 1753 (Franklin Papers)
ALS and AD : American Philosophical Society I send you inclosed a Short account of a Me[teor?]....
6To Benjamin Franklin from John Perkins, 14 May 1753 (Franklin Papers)
Printed in Benjamin Franklin, Experiments and Observations on Electricity (London, 1769), pp....
7To Benjamin Franklin from John Perkins, 12 March 1770 (Franklin Papers)
ALS : American Philosophical Society When I imagin myself possess’d of any new Thought I think...
8To Benjamin Franklin from John Perkins, 12 March 1770 (Franklin Papers)
ALS : American Philosophical Society Just as I was about inclosing my papers it came in my head...