11To Benjamin Franklin from Ingenhousz, 29 April 1783 (Franklin Papers)
ALS : American Philosophical Society The bearer of this, Mr. james Robertson, being arrived at...
12To Benjamin Franklin from Ingenhousz, 8 April 1783 (Franklin Papers)
ALS : American Philosophical Society As I have not heard from you this long while, I wish to know...
13To Benjamin Franklin from Ingenhousz, 26 February 1783 (Franklin Papers)
ALS : American Philosophical Society You will have recieved my last, by which I asked you leave...
14To Benjamin Franklin from Jan Ingenhousz, 28 January 1783 (Franklin Papers)
ALS : American Philosophical Society As I expected every day to hear that peace was actualy made,...
15To Benjamin Franklin from Ingenhousz, 29 November 1782 (Franklin Papers)
ALS : American Philosophical Society Yesterday I was favoured with your kind lettre dated Nov....
16To Benjamin Franklin from Ingenhousz, 27 November 1782 (Franklin Papers)
ALS : American Philosophical Society I have at last recieved the German American newspapers as...
17To Benjamin Franklin from Ingenhousz, 2 October 1782 (Franklin Papers)
ALS : American Philosophical Society I got at last an account of Pere Barletti’s pamphlet in an...
18To Benjamin Franklin from Jan Ingenhousz, 20 August 1782 (Franklin Papers)
ALS : American Philosophical Society I Was very happy in recieving your lettre containing the...
19To Benjamin Franklin from Ingenhousz, 12 June 1782 (Franklin Papers)
ALS : American Philosophical Society I hope you have recieved in du time my last dated april 24...
20To Benjamin Franklin from Jan Ingenhousz, 24 April 1782 (Franklin Papers)
ALS : American Philosophical Society When you consider, how long time I had the honour of...