11To 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 ,...
12To 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...
13To 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...
14To 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...
15Enclosure: List of Learned Societies, 29 December 1801 (Jefferson Papers)
In our Library Transactions orderd for Royal Academy of Sciences Turin . See below Society of...
16To 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...
17To 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...
18To Thomas Jefferson from John Vaughan, 21 July 1802 (Jefferson Papers)
An uncertainty having arisen, whether the adress of Mr Brown was correct, I have taken the...
19To Thomas Jefferson from John Vaughan, 25 December 1802 (Jefferson Papers)
Under present circumstances I do not concieve myself authorised not to send you an extract of a...
20To Thomas Jefferson from John Vaughan, 31 December 1802 (Jefferson Papers)
I have just recieved the inclosed from M Dunbar, which I think it proper to forward to you...