1Patrick Gibson to Thomas Jefferson, 9 December 1820 (Jefferson Papers)
wheat; price of in Richmond [index entry]
2Patrick Gibson to Thomas Jefferson, 28 August 1815 (Jefferson Papers)
wheat; price of in Richmond [index entry]
3Patrick Gibson to Thomas Jefferson, 29 December 1813 (Jefferson Papers)
wheat; price of in Richmond [index entry]
4Gibson & Jefferson to Thomas Jefferson, 2 November 1812 (Jefferson Papers)
wheat; price of [index entry]
5Gibson & Jefferson to Thomas Jefferson, 9 October 1812 (Jefferson Papers)
wheat; price of [index entry]