1Thomas Jefferson to Joseph Milligan, 9 December 1818 (Jefferson Papers)
canals; books on [index entry]
2Thomas Jefferson to James Eastburn & Company, 2 April 1819, with Jefferson’s Note (Jefferson Papers)
canals; books on [index entry]
3Thomas Jefferson to James Eastburn & Company, 3 May 1819 (Jefferson Papers)
canals; books on [index entry]
4Enclosure: Invoice of Books Purchased from James Eastburn & Company by Thomas Jefferson, 12 May 1819 (Jefferson Papers)
canals; books on [index entry]
5Elkanah Watson to Thomas Jefferson, 3 May 1820 (Jefferson Papers)
canals; books on [index entry]
6Thomas Jefferson to Elkanah Watson, 16 May 1820 (Jefferson Papers)
canals; books on [index entry]