11From Thomas Jefferson to John Vaughan, 24 November 1801 (Jefferson Papers)
I recieved last night your favor of the 19th. and with it the pamphlet of Naval architecture for...
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...
16From Thomas Jefferson to John Vaughan and Charles Willson Peale, 13 January 1802 (Jefferson Papers)
I have to acknolege the reciept of your favor of the 1st. inst. informing me that the American...
17From Thomas Jefferson to John Vaughan, 14 January 1802 (Jefferson Papers)
In answer to your favor of Dec. 29. it is not in my power to inform you as to the existence or...
18To 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...
19To 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...
20To 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...