1To Thomas Jefferson from Robert Patterson and Andrew Ellicott, 9 May 1801 (Jefferson Papers)
Should the office of Superintendant of the military stores of the United States, created by an...
2To Thomas Jefferson from Robert Patterson, 8 June 1801 (Jefferson Papers)
Relying on your known goodness—I have taken the liberty of thus introducing the bearer, Mr. John...
3To Thomas Jefferson from Robert Patterson, 19 December 1801 (Jefferson Papers)
The art of secret writing, or, as it is usually termed, writing in cypher , has occasionally...
4To Thomas Jefferson from Robert Patterson, 12 April 1802 (Jefferson Papers)
I have been honored with your favour of the 22d Ult. and feel, with a lively sense, the...
5To Thomas Jefferson from Robert Patterson, 17 April 1802 (Jefferson Papers)
I had the honour, a few days ago , of mentioning to you an interesting experiment which Mr. R....
6To Thomas Jefferson from Robert Patterson, 24 April 1802 (Jefferson Papers)
Agreeably to the directions in your favour of the 17th I am getting a stand made for the sextant...
7To Thomas Jefferson from Robert Patterson, 1 November 1802 (Jefferson Papers)
It was not till the day before yesterday that, upon coming to the city, I received your favour of...
8To Thomas Jefferson from Robert Patterson, 15 March 1803 (Jefferson Papers)
I have been honoured with your favour of the 2d. and thank you for your confidence, which I will...
9To Thomas Jefferson from Robert Patterson, 18 June 1803 (Jefferson Papers)
I recommended to Capt. Lewis, the use of a statistical Table , in which to set down his...
10To Thomas Jefferson from Robert Patterson, 18 April 1804 (Jefferson Papers)
Understanding from the Secretary at War to Dr. Hunter of this expedition is fitting out for the...