1Patrick Gibson to Thomas Jefferson, 29 May 1813 (Jefferson Papers)
Burr, David Judson; gunpowder of [index entry]
2Thomas Jefferson to Patrick Gibson, 12 June 1813 (Jefferson Papers)
Burr, David Judson; gunpowder of [index entry]
3Thomas Jefferson to Patrick Gibson, 4 February 1813 (Jefferson Papers)
Burr, David Judson; gunpowder of [index entry]
4Thomas Jefferson to Patrick Gibson, 20 May 1813 (Jefferson Papers)
Burr, David Judson; gunpowder of [index entry]