1Patrick Gibson to Thomas Jefferson, 1 May 1817 (Jefferson Papers)
Johnson, William (boatman); transports flour to Richmond [index entry]
2Patrick Gibson to Thomas Jefferson, with Postscript by John G. Robert (for Gibson), 23 February 1818 (Jefferson Papers)
Johnson, William (boatman); transports flour to Richmond [index entry]
3Patrick Gibson to Thomas Jefferson, 17 September 1818 (Jefferson Papers)
Johnson, William (boatman); transports flour to Richmond [index entry]