1Thomas Jefferson to Robert Walsh, 19 February 1818 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index...
2Thomas Jefferson to Robert Walsh, 20 July 1818 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index...
3Thomas Jefferson to Robert Walsh, 11 April 1819 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index...