101To Thomas Jefferson from John Vaughan, 8 June 1802 (Jefferson Papers)
A desire to be useful, induces me to make the present Communication, consisting of hints...
102To Thomas Jefferson from John Vaughan, 8 May 1802 (Jefferson Papers)
Your favor enclosing D. Griffith on Longitude was recieved, & the acknowledgement for it is now...
103To Thomas Jefferson from John Vaughan, 29 December 1801 (Jefferson Papers)
By Mr Brun , a friend of Kosiusco’s, & who is strongly recommended to me, I have the pleasure of...
104Enclosure: List of Learned Societies, 29 December 1801 (Jefferson Papers)
In our Library Transactions orderd for Royal Academy of Sciences Turin . See below Society of...
105To Thomas Jefferson from John Vaughan, 21 December 1801 (Jefferson Papers)
I have the pleasure of sending you a Philadelphia Edition of Aikin , with an appendix, containing...
106To Thomas Jefferson from John Vaughan, 9 December 1801 (Jefferson Papers)
I have to apologize for the manner in which I sent down the last Small Pox matter for Dr Gantt I...
107To Thomas Jefferson from John Vaughan, 20 November 1801 (Jefferson Papers)
My anxiety not to Intrude upon your Time, made me omit in the closing Sentiment of my letter ,...
108To Thomas Jefferson from John Vaughan, 19 November 1801 (Jefferson Papers)
I have the pleasure to inform you that D Coxe has himself taken the Vaccine Infection, & during...
109To Thomas Jefferson from John Vaughan, 10 November 1801 (Jefferson Papers)
Your very interesting letter of 5 Nov. I duely receivd & immediately gave into the hands of Dr...
110To Thomas Jefferson from John Vaughan, 22 October 1801 (Jefferson Papers)
I have been sir too many years acquainted with your Philanthropic Zeal, to concieve an apology...