1Deborah Franklin to Peter Collinson, 30 April 1755 (Franklin Papers)
LS : Huntington Library Mr. Franklin is from home, and can not have by this Conveyance an...
2From Benjamin Franklin to Peter Collinson, 26 June 1755 (Franklin Papers)
ALS : Pierpont Morgan Library Mr. Bartram brings a Box to my House, which has a little Vacancy in...
3From Benjamin Franklin to Peter Collinson, 25 August 1755 (Franklin Papers)
MS not found; reprinted from Benjamin Franklin, Experiments and Observations on Electricity...
4From Benjamin Franklin to Peter Collinson, 27 August 1755 (Franklin Papers)
ALS : Pierpont Morgan Library I received your Favours of May 28 and June 1. I believe I have...
5From Benjamin Franklin to Peter Collinson, 25 October 1755 (Franklin Papers)
Draft: American Philosophical Society The above is a Copy of my last. I hope you have receiv’d a...
6From Benjamin Franklin to Peter Collinson, 15 June 1756 (Franklin Papers)
ALS : University of Pennsylvania Library I can now only acknowledge the Receipt of your Favours...
7From Benjamin Franklin to Peter Collinson, 23 September 1756 (Franklin Papers)
Duplicate: Pierpont Morgan Library I enclose three Bills, viz. A second for £50 Sterling, drawn...