11From 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...
12From 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...
13From 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 &...
14From 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...
15From 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...
16From 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...
17From 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...
18From Thomas Jefferson to John Vaughan, 15 August 1805 (Jefferson Papers)
I now return you the inclosed with many thanks for the opportunity of perusing it, which I have...
19From Thomas Jefferson to John Vaughan, 14 January 1806 (Jefferson Papers)
I recieved lately from Genl. Wilkinson at St. Louis a package in which the articles in the...
20From Thomas Jefferson to John Vaughan, 25 March 1806 (Jefferson Papers)
I send you for the use of the Philosophical society a copy of my communications to Congress of...