1Thomas Jefferson to Robert Mayo, 5 April 1821 (Jefferson Papers)
Your favor of Mar. 28. has been recieved with the Primer and Spelling book for which I thank you....
2From Thomas Jefferson to Robert Mayo, 3 February 1823 (Jefferson Papers)
I did not answer the note in the pamphlet you were so kind as to send me for 2. reasons. 1....
3From John Adams to Robert Mayo, 18 March 1823 (Adams Papers)
I have received and procured to be read to me your pamphlet—The very title of a Juvenile Company...
4From James Madison to Robert Mayo and William A. Bartow, 31 March 1823 (Madison Papers)
I have recd. the copy of an Address in behalf of the Juvenile Library Company of Richmond which...