1To Thomas Jefferson from Jonathan Williams, 24 January 1796 (Jefferson Papers)
As you are now retired from public Business you will not, probably, consider a philosophical...
2To Thomas Jefferson from Jonathan Williams, 20 June 1796 (Jefferson Papers)
Some time since I conveyed to you , through the medium of Mr. Maddison, a transcript of my...
3To Thomas Jefferson from Jonathan Williams, 7 March 1801 (Jefferson Papers)
Wishing to submit my slender Performances to the candid Examination of those of my Philosophical...
4To Thomas Jefferson from Jonathan Williams, 22 May 1802 (Jefferson Papers)
After having ascertained by repeated Experiments that the Coast of America, and the eminences of...
5To Thomas Jefferson from Jonathan Williams, 12 December 1802 (Jefferson Papers)
The Gentlemen composing the Corps of Engineers thinking that, besides the Duties prescribed to...
6To Thomas Jefferson from Jonathan Williams, 24 June 1803 (Jefferson Papers)
To depart from Washington without taking leave of you was extreemly unpleasant to me; but I found...
7To Thomas Jefferson from Jonathan Williams, 5 July 1803 (Jefferson Papers)
I beg you to excuse one more intrusion relative to my late Station as Lt Col Comdt of Engineers,...
8Jonathan Williams to Thomas Jefferson, 17 September 1810 (Jefferson Papers)
I could not deny myself showing you another Instance of the usefulness of the thermometer in...
9Jonathan Williams to Thomas Jefferson, 21 October 1814 (Jefferson Papers)
After the Society was adjourned a number of members (all your particular Friends) were conversing...
10To Thomas Jefferson from Jonathan Williams, 18 June 1805 (Jefferson Papers)
among the Duties I felt myself bound to perform on resuming my Station at the Head of the Corps...