1From Thomas Jefferson to Dr. John Vaughan, 17 July 1801 (Jefferson Papers)
I have duly recieved your favor of the 13th. you very truly state that your suggestion that the...
2From Thomas Jefferson to John Vaughan, 5 November 1801 (Jefferson Papers)
I recieved on the 24th. Ult. your favor of the 22d. but it is not till this day that I am enabled...
3From 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...
4From 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...
5From 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...
6From Thomas Jefferson to John Vaughan, 28 June 1803 (Jefferson Papers)
I recieved last night your favor of the 25th. covering mr Heineken’s letter & list, & the Rules &...
7From Thomas Jefferson to John Vaughan, 14 August 1803 (Jefferson Papers)
I am much obliged to you for the trouble you have taken in procuring a copy of Dr. Priestley’s...
8From Thomas Jefferson to John Vaughan, 18 May 1804 (Jefferson Papers)
On my arrival here I found your favor of the 8th. instant, and now return you the Diplomas...
9From Thomas Jefferson to John Vaughan, 2 May 1805 (Jefferson Papers)
In your letter of Nov. 16. you express a desire to obtain for the Philosophical society an early...
10From Thomas Jefferson to John Vaughan, 5 May 1805 (Jefferson Papers)
Your favor of Apr. 29. came to hand the day after mine of May 2. was written. some parts of it...