1To Thomas Jefferson from John Vaughan, 28 March 1801 (Jefferson Papers)
The enclosed was just recieved by me under cover, should any reply be necessary & be forwarded...
2To 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,...
3To 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...
4To 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...
5From 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...
6To Thomas Jefferson from John Vaughan, 22 October 1801 (Jefferson Papers)
I have been sir too many years acquainted with your Philanthropic Zeal, to concieve an apology...
7From 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...
8To Thomas Jefferson from John Vaughan, 10 November 1801 (Jefferson Papers)
Your very interesting letter of 5 Nov. I duely receivd & immediately gave into the hands of Dr...
9To Thomas Jefferson from John Vaughan, 19 November 1801 (Jefferson Papers)
I have the pleasure to inform you that D Coxe has himself taken the Vaccine Infection, & during...
10To 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 ,...
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...
21To 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...
22To 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...
23To Thomas Jefferson from John Vaughan, 15 March 1803 (Jefferson Papers)
The enclosed Accot. of a Method of preserving ship Bread from Weavils, I have extracted from...
24To Thomas Jefferson from John Vaughan, 28 April 1803 (Jefferson Papers)
Vaccination is becoming every day more current amongst us in order to assist in removing...
25To Thomas Jefferson from John Vaughan, 9 June 1803 (Jefferson Papers)
I enclose a letter recieved by a young friend of mine from the hands of the writer, to whom he...
26To Thomas Jefferson from John Vaughan, 25 June 1803 (Jefferson Papers)
I enclose you a letter from the Dutch Commercial Resident Heinekin—The Commn. alluded to is a...
27From 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 &...
28To 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...
29To Thomas Jefferson from John Vaughan, 1 August 1803 (Jefferson Papers)
M Dufief having applied to me to assist him in procuring D Priestlys Harmony for you, I took...
30From 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...
31To Thomas Jefferson from John Vaughan, 30 August 1803 (Jefferson Papers)
Your favor of 14 Augt. I have recieved, & beg leave to repeat what I suggested on a former...
32To Thomas Jefferson from John Vaughan, 21 November 1803 (Jefferson Papers)
Capt Merewether Lewis having been chosen a Member of our Society , I take the liberty of...
33To Thomas Jefferson from John Vaughan, 20 December 1803 (Jefferson Papers)
By desire of Dr Priestley I have sent per Post for your acceptance, the New Edition of his...
34To Thomas Jefferson from John Vaughan, 8 May 1804 (Jefferson Papers)
The Certificates of Election for the members admited into the American Philosophical Society, to...
35From 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...
36To Thomas Jefferson from John Vaughan, 29 May 1804 (Jefferson Papers)
I received the Certificates safe, & have subscribed for 3 Copies of the Transactions, which I...
37To Thomas Jefferson from John Vaughan, 16 November 1804 (Jefferson Papers)
I believe Mr Dunbar has written to you respecting Mr Sauvé, Mr Detriant & Mr Debigny (I think)...
38To Thomas Jefferson from John Vaughan, 29 April 1805 (Jefferson Papers)
I have received a small box from Mr Boutram which I shall the pleasure of forwarding by the first...
39From 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...
40To Thomas Jefferson from John Vaughan, 4 May 1805 (Jefferson Papers)
I have just recieved your obliging letter of 2nd. The Society will be gratified by possessing one...
41From 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...
42From James Madison to John Vaughan, ca. 14 May 1805 (Madison Papers)
Letter not found. Ca. 14 May [1805] . Cover sheet (PPAmP) addressed to Philadelphia wine merchant...
43To Thomas Jefferson from John Vaughan, 6 August 1805 (Jefferson Papers)
Having for the Philosophical Society, Subscribed for the Musœum of Natural History, published at...
44From 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...
45To Thomas Jefferson from John Vaughan, 14 October 1805 (Jefferson Papers)
If Mr Jefferson should be in want of very superior Claret—Mr Vaughan has some in cases of 3 Doz...
46To 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...
47From 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...
48To Thomas Jefferson from John Vaughan, 21 January 1806 (Jefferson Papers)
I have recieved your favor of 14 Inst. with 30 D. enclosed In conformity to your wishes I have...
49To Thomas Jefferson from John Vaughan, 26 February 1806 (Jefferson Papers)
I have at last found Daudet, & paid him 3 Ds amount due for the term. the Petit Censeur was...
50From 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...