1James Monroe to Thomas Jefferson, 15 November 1820 (Jefferson Papers)
United States; fortifications [index entry]
2Samuel Smith (of Maryland) to Thomas Jefferson, 13 May 1822 (Jefferson Papers)
United States; fortifications [index entry]
3John Rhea to Thomas Jefferson, 20 May 1822 (Jefferson Papers)
United States; fortifications [index entry]
4Thomas Jefferson to Richard Rush, [ca. 11 June 1822] (Jefferson Papers)
United States; fortifications [index entry]
5William Short to Thomas Jefferson, 2 July 1822 (Jefferson Papers)
United States; fortifications [index entry]