1James Ronaldson to Thomas Jefferson, 5 March 1809 (Jefferson Papers)
Ronaldson, James; travels to Europe for antimony [index entry]
2Binny & Ronaldson to Thomas Jefferson, 16 June 1809 (Jefferson Papers)
Ronaldson, James; travels to Europe for antimony [index entry]
3Pierre Samuel Du Pont de Nemours to Thomas Jefferson, 20 January 1810 (Jefferson Papers)
Ronaldson, James; travels to Europe for antimony [index entry]
4James Ronaldson to Thomas Jefferson, 26 December 1811 (Jefferson Papers)
Ronaldson, James; travels to Europe for antimony [index entry]