1James Ronaldson to Thomas Jefferson, 5 March 1809 (Jefferson Papers)
antimony; used in casting type [index entry]
2Thomas Jefferson to Pierre Samuel Du Pont de Nemours, 28 June 1809 (Jefferson Papers)
antimony; used in casting type [index entry]
3James Ronaldson to Thomas Jefferson, 3 July 1822 (Jefferson Papers)
antimony; used in casting type [index entry]