1To Thomas Jefferson from Caspar Wistar, 17 July 1803 (Jefferson Papers)
I received the two french works which accompany this—viz A Plan of Public Education, & a Treatise...
2To Thomas Jefferson from Caspar Wistar, 18 July 1803 (Jefferson Papers)
I beg leave to trouble you with the inclosed for Captain Lewis , they do not include many points,...
3To Thomas Jefferson from Caspar Wistar, 6 October 1803 (Jefferson Papers)
Since my last , which inclosed a letter to Major Lewis, I have been informed that Monsieur...
4To Thomas Jefferson from Caspar Wistar, 12 November 1803 (Jefferson Papers)
I beg leave to inform you that Mr Hulings of New Orleans formerly lived in this City & appeared...