11From 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...
12Thomas 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...
13Thomas Jefferson to Horatio G. Spafford, 14 May 1815 (Jefferson Papers)
Your favor of April 4 . was not recieved till the day before yesterday. I subscribe with pleasure...
14Thomas 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...
15Thomas Jefferson to Horatio G. Spafford, 20 December 1816 (Jefferson Papers)
On my return from Bedford , after an absence of 7. weeks, I find here your favor of Nov. 23. with...
16Thomas 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....