1Robert Walsh to Thomas Jefferson, 27 January 1818 (Jefferson Papers)
I thank you sincerely for the letter with which you have honoured me. I did not intend that the...
2Robert Walsh to Thomas Jefferson, 21 October 1817 (Jefferson Papers)
When I mentioned to you the Dissertation of Professor Playfair on the progress of Mathematical...
3Robert Walsh to Thomas Jefferson, 20 April 1818 (Jefferson Papers)
As there is now no likelihood of the resurrection of the American Register, & as I am about to...
4Robert Walsh to Thomas Jefferson, 12 March 1818 (Jefferson Papers)
Your acceptable letter of the 19 th Ulto : and the tract of M r Tracy were received in due...