1Thomas Jefferson to Frederick C. Schaeffer, 7 January 1820 (Jefferson Papers)
I have duly recieved your favor of Dec. 30. with a pamphlet on pauperism, and a request of my...
2Thomas Jefferson to Frederick C. Schaeffer, 28 November 1821 (Jefferson Papers)
Th:J. returns his thanks to the rev d mr Schaeffer for the renewed mark of his attention in...