1To Benjamin Franklin from Jan Ingenhousz: Dedication, 1 November 1783 (Franklin Papers)
Printed in Nouvelles Expériences et observations sur divers objects de physique (Paris, 1785),...
2To Benjamin Franklin from Ingenhousz, 14 January 1784 (Franklin Papers)
ALS : American Philosophical Society This lettre will be delivred to you by the Countesse de...
3To Benjamin Franklin from Ingenhousz, 14 January 1785 (Franklin Papers)
ALS : American Philosophical Society I send this inclosed in a lettre to Dr. LeBegue by a privat...
4To Thomas Jefferson from Jan Ingenhousz, 9 August 1788 (Jefferson Papers)
I was at Mr. Pelletier’s house, where they told me, that if such a legalisation could be made, it...
5To Benjamin Franklin from Jan Ingenhousz, 9 October 1784 (Franklin Papers)
Letterbook abstract: Stadsarchief Breda To his Excellency Benjam. Franklin Min. Plenip from...
6To Thomas Jefferson from Jan Ingenhousz, with Note by Jefferson, 23 January 1788 (Jefferson Papers)
I took the liberty to recommend to your protection a lettre to our common Friend Benjamin...
7To Benjamin Franklin from Ingenhousz, 2 January 1784 (Franklin Papers)
ALS : American Philosophical Society You will have recieved my lettre dated Nov. 19th. with a...
8To Thomas Jefferson from Jan Ingenhousz, 28 December 1786 (Jefferson Papers)
As I can make no doubt, but you will sometimes meet with a favourable oportunity of some...
9To Benjamin Franklin from Ingenhousz, 19 November 1783 (Franklin Papers)
ALS : American Philosophical Society I recieved your favour dated Passy Sept. 2. 1783, with an...
10To Benjamin Franklin from Ingenhousz, 10 February 1784 (Franklin Papers)
ALS : American Philosophical Society This will be delivred to you by my Good friend the Prelate...
11To Thomas Jefferson from Jan Ingenhousz, 28 September 1787 (Jefferson Papers)
Recieve my harty thanks for your kind offers to take under your care any parcel, which my old...