11To Thomas Jefferson from John Vaughan, 10 December 1807 (Jefferson Papers)
Pardon an inadvertance, the inclosed for M Warden not being at hand when I enclosed the letter...
12To Thomas Jefferson from Dr. John Vaughan, 24 June 1801 (Jefferson Papers)
In obedience to your request, I embrace the earliest opportunity of recommending a candidate for...
13To 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...
14To Thomas Jefferson from John Vaughan, 8 July 1806 (Jefferson Papers)
Your favor of 24 June is recieved as also the Bones It is to be regretted that the least valuable...
15To Thomas Jefferson from John Vaughan, 14 October 1805 (Jefferson Papers)
I have the pleasure of enclosing a Copy of a letter I have recieved from Baron Humboldt, which...
16To Thomas Jefferson from John Vaughan, 20 December 1806 (Jefferson Papers)
The important object of an universal Standard of Weight & Measure has long occupied your...
17To Thomas Jefferson from John Vaughan, 23 July 1803 (Jefferson Papers)
The two pamphlets from the Society of Arts &c were intended to be retained by you, as we are in...
18To 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...
19To Thomas Jefferson from John Vaughan, 19 May 1801 (Jefferson Papers)
The enclosed I have just recieved, & am requested to forward in the same manner as a former one,...
20To Thomas Jefferson from Dr. John Vaughan, 13 July 1801 (Jefferson Papers)
Being informed that Mr. Rodney, who is now at your City, has made an unfavourable report...