11From Benjamin Franklin to Peter Collinson, [October 1752] (Franklin Papers)
Printed in Benjamin Franklin, Supplemental Experiments and Observations on Electricity, Part II ....
12To Benjamin Franklin from Peter Collinson, 28 June 1763 (Franklin Papers)
ALS : American Philosophical Society I received my Dear Friends Obligeing Letter with another...
13To Benjamin Franklin from Peter Collinson, 14 January 1754 (Franklin Papers)
ALS : American Philosophical Society I am so disheartend at the Loss of Capt. Davis, that I...
14To Benjamin Franklin from Peter and Michael Collinson, 14 July 1767 (Franklin Papers)
AL : Historical Society of Pennsylvania P Collinson and Son’s Respects to their Good Friend Benn:...
15To Benjamin Franklin from Peter Collinson, 6 April 1763 (Franklin Papers)
ALS : American Philosophical Society I can only now express the great satisfaction I have and...
16To Benjamin Franklin from Peter Collinson, 27 March 1751 (Franklin Papers)
ALS : American Philosophical Society I am now so prodigiously Engagd as well in my publick...
17From Benjamin Franklin to Peter Collinson, 29 July 1750 (Franklin Papers)
Copy: American Academy of Arts and Sciences As you first put us on Electrical Experiments by...
18From Benjamin Franklin to Peter Collinson, 18 October 1748 (Franklin Papers)
ALS : Pierpont Morgan Library I have receiv’d your several Favours of April 1. June 2. June 14...
19To Benjamin Franklin from Peter Collinson, 17 October 1767 (Franklin Papers)
ALS : American Philosophical Society I was glad to hear my Dear Friend was Safe Arrived In the...
20From Benjamin Franklin to Peter Collinson, 23 November 1753 (Franklin Papers)
MS not found; reprinted from Benjamin Franklin, Experiments and Observations on Electricity...