1From Thomas Jefferson to Horatio Gates Spafford, 1 May 1824 (Jefferson Papers)
Your favor of Apr. 8. has been recieved. the gazetteer you are so kind as to propose sending to...
2To Thomas Jefferson from Horatio Gates Spafford, 8 April 1824 (Jefferson Papers)
To save the trouble, let thy clerk, or some young man say whether I can send thee a 3 dollar...
3To Thomas Jefferson from Horatio Gates Spafford, 28 October 1824 (Jefferson Papers)
I am to much of a Virginian, & to friendly to the great design on which thou art bestowing thy...
4From Thomas Jefferson to Horatio Gates Spafford, 2 July 1824 (Jefferson Papers)
I had recieved the copy of your gazetteer which you were so kind as to send me, and was about...
5To Thomas Jefferson from Horatio Gates Spafford, 18 June 1824 (Jefferson Papers)
Thy Letter duly reached my family, & I have now the pleasure to acknowledge the receipt of it. I...
6To Thomas Jefferson from Horatio Gates Spafford, 25 November 1822 (Jefferson Papers)
After 20 odd years of investigation as an operative Chemist, I have succeeded in demonstrating...
7Horatio G. Spafford to Thomas Jefferson, 30 June 1817 (Jefferson Papers)
Although I have not any thing to communicate that might Seem to excuse this Letter, yet, being...
8Thomas Jefferson to Horatio G. Spafford, 15 March 1815 (Jefferson Papers)
Your favors of Feb. 15. 18. and 24. have all been recieved, and you could not even at the date of...
9Horatio G. Spafford to Thomas Jefferson, 15 December 1816 (Jefferson Papers)
The Essay which thou wast kind enough to wish to See in print, is commenced in this No., & I...
10Thomas Jefferson to Horatio G. Spafford, 26 April 1814 (Jefferson Papers)
Your letter of the 7 th inst. is just recieved and finds me within a few days of my departure for...