1Thomas Jefferson to Ebenezer Herrick, 16 June 1812 (Jefferson Papers)
Gelston, David; forwards spinning machine to TJ [index entry]
2Ebenezer Herrick to Thomas Jefferson, 19 June 1812 (Jefferson Papers)
Gelston, David; forwards spinning machine to TJ [index entry]
3David Gelston to Thomas Jefferson, 26 June 1812 (Jefferson Papers)
Gelston, David; forwards spinning machine to TJ [index entry]
4Thomas Jefferson to David Gelston, 2 July 1812 (Jefferson Papers)
Gelston, David; forwards spinning machine to TJ [index entry]
5David Gelston to Thomas Jefferson, 7 July 1812 (Jefferson Papers)
Gelston, David; forwards spinning machine to TJ [index entry]