1William A. Burwell to Thomas Jefferson, 28 November 1818 (Jefferson Papers)
House of Representatives, U.S.; Ways and Means Committee [index entry]
2Samuel Smith (of Maryland) to Thomas Jefferson, 26 August 1820 (Jefferson Papers)
House of Representatives, U.S.; Ways and Means Committee [index entry]
3Samuel Smith (of Maryland) to Thomas Jefferson, 13 May 1822 (Jefferson Papers)
House of Representatives, U.S.; Ways and Means Committee [index entry]