1To Benjamin Franklin from Jan Ingenhousz, 15 November 1776 (Franklin Papers)
ALS : American Philosophical Society; duplicate: Staatsbibliothek Preussischer Kulturbesitz, West...
2To Benjamin Franklin from Ingenhousz, 23 June 1783 (Franklin Papers)
ALS : American Philosophical Society This is only to accompany the adjoin’d lettre of mr....
3To Benjamin Franklin from Ingenhousz, 29 April 1783 (Franklin Papers)
ALS : American Philosophical Society The bearer of this, Mr. james Robertson, being arrived at...
4To Benjamin Franklin from Ingenhousz, 1 September 1783 (Franklin Papers)
ALS : American Philosophical Society The inclosed note and bill of exchange of 150 florins on...
5To 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...
6To Benjamin Franklin from Jan Ingenhousz: Dedication, 1 November 1783 (Franklin Papers)
Printed in Nouvelles Expériences et observations sur divers objects de physique (Paris, 1785),...
7To Benjamin Franklin from Ingenhousz, 14 January 1784 (Franklin Papers)
ALS : American Philosophical Society This lettre will be delivred to you by the Countesse de...
8To Benjamin Franklin from Jan Ingenhousz, 7 February 1781 (Franklin Papers)
ALS : American Philosophical Society I wrote you a lettre some weaks ago containing an account of...
9To Benjamin Franklin from Ingenhousz, 15 June 1778 (Franklin Papers)
ALS : Historical Society of Pennsylvania I recieved your kind lettre dated juin 8 and thank you...
10To Benjamin Franklin from Ingenhousz, 29 August 1781 (Franklin Papers)
ALS : American Philosophical Society Give me leave to acquaint you, that I wrote an other letter...
11To Benjamin Franklin from Jan Ingenhousz, 18 November 1779 (Franklin Papers)
ALS : American Philosophical Society I find myself very happy to be in a country, from which I...
12To Benjamin Franklin from Jan Ingenhousz, 23 May 1781 (Franklin Papers)
ALS : American Philosophical Society After having longed such a long while for an answer upon my...
13To 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...
14To Benjamin Franklin from Jan Ingenhousz, 26 August 1777 (Franklin Papers)
ALS : American Philosophical Society I Stay’d a day longer in the Country as I had proposed. I...
15To 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,...
16To Benjamin Franklin from Jan Ingenhousz, 3 May 1780 (Franklin Papers)
ALS : Library of Congress I hope you are not so entirely involved in the troublesome business of...
17To Benjamin Franklin from Jan Ingenhousz, 20 August 1782 (Franklin Papers)
ALS : American Philosophical Society I Was very happy in recieving your lettre containing the...
18To Benjamin Franklin from Ingenhousz, 27 November 1782 (Franklin Papers)
ALS : American Philosophical Society I have at last recieved the German American newspapers as...
19To 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...
20To Benjamin Franklin from Ingenhousz, 25 May 1779 (Franklin Papers)
ALS : American Philosophical Society I reciev’d your lettre of the 4 of May and thank you for the...
21To 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...
22To Benjamin Franklin from Jan Ingenhousz, [12 May 1774] (Franklin Papers)
Abstract: Ingenhousz letterbook, Gemeente-Archief, Breda, Netherlands I begg him send me soon his...
23To Benjamin Franklin from [Jan Ingenhousz], 6 March 1778 (Franklin Papers)
AL : Historical Society of Pennsylvania I recieved your kind lettre at Brussels with several...
24To Benjamin Franklin from Jan Ingenhousz, 4 January 1777 (Franklin Papers)
ALS : American Philosophical Society A little time ago I sent you a lettre by the way of London...
25To Benjamin Franklin from Ingenhousz, 29 November 1782 (Franklin Papers)
ALS : American Philosophical Society Yesterday I was favoured with your kind lettre dated Nov....
26To Benjamin Franklin from Jan Ingenhousz, 9 October 1784 (Franklin Papers)
Letterbook abstract: Stadsarchief Breda To his Excellency Benjam. Franklin Min. Plenip from...
27To Benjamin Franklin from Jan Ingenhousz, 24 October 1774 (Franklin Papers)
Abstract: Ingenhousz letterbook, Gemeente-Archief, Breda That every body here expects his...
28To Benjamin Franklin from Jan Ingenhousz, 5 December 1780 (Franklin Papers)
ALS : American Philosophical Society I had the satisfaction of being informed by a lettre of...
29To Benjamin Franklin from Jan Ingenhousz, 8 December 1781 (Franklin Papers)
ALS : American Philosophical Society I Can make no doubt but my lettres came all to hand dated...
30To 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...