11To 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...
12To 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...
13To Thomas Jefferson from Robert Patterson, 30 April 1805 (Jefferson Papers)
Your unexpected & very flattering favour of the 27th. demands my most grateful acknowledgements....
14To Thomas Jefferson from Robert Patterson, 29 June 1805 (Jefferson Papers)
On the receipt of your favour of the 13th. announcing the resignation of Mr. Boudinot, and your...
15To Thomas Jefferson from Robert Patterson, 23 November 1805 (Jefferson Papers)
I have been honoured with your favour of the 16th. inclosing a method of finding the longitude...
16To Thomas Jefferson from Robert Patterson, 14 December 1805 (Jefferson Papers)
A Committee from the Directors of the Bank of the United States have represented to me, as...
17To Thomas Jefferson from Robert Patterson, 16 December 1805 (Jefferson Papers)
The Theodolite, which by advice from Mr. Freeman I purchased of Mr. Biggs, is carefully packed...
18To Thomas Jefferson from Robert Patterson, 30 December 1805 (Jefferson Papers)
Some years ago, I remember to have laid before you a scheme of secret writing , which you were...
19To Thomas Jefferson from Robert Patterson, 3 January 1806 (Jefferson Papers)
Agreeably to former practice, I have the honor, at the commencement of the present year, to lay...
20To Thomas Jefferson from Robert Patterson, 3 March 1806 (Jefferson Papers)
I beg leave to introduce to your notice Mr. Hassler, a Gentleman lately from Switzerland. He is a...