1James Ronaldson to Thomas Jefferson, 26 December 1811 (Jefferson Papers)
Ronaldson, James; travels to Europe for antimony [index entry]
2Pierre Samuel Du Pont de Nemours to Thomas Jefferson, 20 January 1810 (Jefferson Papers)
Ronaldson, James; travels to Europe for antimony [index entry]
3Thomas Jefferson to Binny & Ronaldson, 28 June 1809 (Jefferson Papers)
Ronaldson, James; travels to Europe for antimony [index entry]
4Thomas Jefferson to Pierre Samuel Du Pont de Nemours, 28 June 1809 (Jefferson Papers)
Ronaldson, James; travels to Europe for antimony [index entry]
5Binny & Ronaldson to Thomas Jefferson, 16 June 1809 (Jefferson Papers)
Ronaldson, James; travels to Europe for antimony [index entry]
6James Ronaldson to Thomas Jefferson, 5 March 1809 (Jefferson Papers)
Ronaldson, James; travels to Europe for antimony [index entry]