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...
5To 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...
6To 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...
7To 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...
8To 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 ,...
9To 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...
10To 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...
11To 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...
12Enclosure: List of Learned Societies, 29 December 1801 (Jefferson Papers)
In our Library Transactions orderd for Royal Academy of Sciences Turin . See below Society of...
13To 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...
14To 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...
15To 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...
16To 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...
17To 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...
18To 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...
19To 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...
20To 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...
21To 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...
22To 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...
23To 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...
24To 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...
25To 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...
26To 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...
27To Thomas Jefferson from John Vaughan, 8 May 1804 (Jefferson Papers)
The Certificates of Election for the members admited into the American Philosophical Society, to...
28To 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...
29To 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)...
30To 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...
31To 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...
32To Thomas Jefferson from John Vaughan, 6 August 1805 (Jefferson Papers)
Having for the Philosophical Society, Subscribed for the Musœum of Natural History, published at...
33To 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...
34To 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...
35To 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...
36To 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...
37To Thomas Jefferson from John Vaughan, 26 April 1806 (Jefferson Papers)
Philad—April. 26th. 1806 Received of Thomas Jefferson President of the United States Eighteen...
38To Thomas Jefferson from John Vaughan, 20 June 1806 (Jefferson Papers)
In a Box of Books forwarded to the Socy. from the Lisbon Academy, thro’ the instance of the...
39To 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...
40To Thomas Jefferson from John Vaughan, 20 December 1806 (Jefferson Papers)
The important object of an universal Standard of Weight & Measure has long occupied your...
41To Thomas Jefferson from John Vaughan, 20 March 1807 (Jefferson Papers)
By the Benjn Franklin Capt Weeks, Mr Carey the Missionary, has sent a Sungskrit Grammar, directed...
42To Thomas Jefferson from John Vaughan, 29 August 1807 (Jefferson Papers)
The enclosed singular production of M Lippi Neopolitan, was forwarded to the Society by the Revd....
43To Thomas Jefferson from John Vaughan, 30 October 1807 (Jefferson Papers)
Trifling information may be of use until more authenic information comes to hand—I therefore take...
44To Thomas Jefferson from John Vaughan, 10 December 1807 (Jefferson Papers)
Mr C. P. Lasteyrie whose publications on the Merino Sheep you presented to the Society has lately...
45To 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...
46To Thomas Jefferson from John Vaughan, 15 June 1808 (Jefferson Papers)
Be desire of Dr Wistar I forward to Baltimore by the Water Stage to the Care of Hugh Thompson,...
47To Thomas Jefferson from John Vaughan, 27 June 1808 (Jefferson Papers)
Being unexpectedly obliged to leave town for a day I write this away from my Compting house 50₶...
48To Thomas Jefferson from John Vaughan, 1 July 1808 (Jefferson Papers)
Four Double & one Single Keg White lead ground in oil were shipped to Mess Gibson & Jefferson of...
49To Thomas Jefferson from John Vaughan, 14 July 1808 (Jefferson Papers)
I have recieved your favor of 10th. with remittance of 34 17/100 Ds. which ballances the payments...
50To Thomas Jefferson from John Vaughan, 16 July 1808 (Jefferson Papers)
By letters recieved from the Revd Mr Warden & Mr Lasteyrie they mention having Sent some Bookes...