21Thomas Jefferson to Robert Walsh, 11 April 1819 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index entry]
22John Laval to Thomas Jefferson, 19 April 1819 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index entry]
23Thomas Jefferson to John Laval, 3 May 1819 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index entry]
24Bernard Peyton to Thomas Jefferson, 3 May 1819 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index entry]
25John Laval to Thomas Jefferson, 28 May 1819 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index entry]
26Thomas Jefferson to John Laval, 4 June 1819 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index entry]
27John Laval to Thomas Jefferson, 24 June 1819 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index entry]
28Thomas Jefferson to John Laval, 5 July 1819 (Jefferson Papers)
Grimm, Friedrich Melchior, baron von; Correspondance littéraire, philosophique et critique [index entry]