1James Ronaldson to Thomas Jefferson, 5 March 1809 (Jefferson Papers)
Domestic encyclopædia (Willich) [index entry] ...; edits Domestic encyclopædia (Willich) [...
2Thomas Jefferson to Philip Tabb, 1 June 1809 (Jefferson Papers)
Domestic encyclopædia (Willich) [index entry] ...; edits Domestic encyclopædia (Willich) [...