11Thomas Jefferson to Horatio G. Spafford, 21 February 1815 (Jefferson Papers)
Your favor of Jan. 28. was three weeks on it’s passage to this place. I thank you for the copies...
12Thomas Jefferson to Horatio G. Spafford, 16 December 1814 (Jefferson Papers)
By the condition of the roads and repeated abandonments of the mail by the way your favor of Nov....
13Thomas 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...
14Thomas Jefferson to Horatio G. Spafford, 17 March 1814 (Jefferson Papers)
I am an unpunctual correspondent at best. while my affairs permit me to be within doors, I am too...
15Thomas Jefferson to Horatio G. Spafford, 15 August 1813 (Jefferson Papers)
Your favor of the 2 d inst. is duly recieved and I thank you for the mark of attention it...
16Thomas Jefferson to Horatio G. Spafford, 14 May 1809 (Jefferson Papers)
I have duly recieved your favor of Apr. 3. with the copy of your General Geography, for which I...