1Joel Yancey to Thomas Jefferson, 26 September 1819 (Jefferson Papers)
Hepburn, Alexander; as millwright [index entry]
2Joel Yancey to Thomas Jefferson, 8 October 1819 (Jefferson Papers)
Hepburn, Alexander; as millwright [index entry]
3Joel Yancey to Thomas Jefferson, 31 December 1819 (Jefferson Papers)
Hepburn, Alexander; as millwright [index entry]
4Joel Yancey to Thomas Jefferson, 27 February 1820 (Jefferson Papers)
Hepburn, Alexander; as millwright [index entry]
5Joel Yancey to Thomas Jefferson, 28 March 1820 (Jefferson Papers)
Hepburn, Alexander; as millwright [index entry]
6Joel Yancey to Thomas Jefferson, 20 May 1820 (Jefferson Papers)
Hepburn, Alexander; as millwright [index entry]
7Joel Yancey to Thomas Jefferson, 27 May 1820 (Jefferson Papers)
Hepburn, Alexander; as millwright [index entry]