1Thomas Jefferson to Patrick Gibson, 3 November 1817 (Jefferson Papers)
Peyton, Bernard; and gypsum for TJ [index entry]
2Bernard Peyton to Thomas Jefferson, 21 January 1819 (Jefferson Papers)
Peyton, Bernard; and gypsum for TJ [index entry]
3Bernard Peyton to Thomas Jefferson, 10 November 1817 (Jefferson Papers)
Peyton, Bernard; and gypsum for TJ [index entry]
4Thomas Jefferson to Bernard Peyton, 18 January 1819 (Jefferson Papers)
Peyton, Bernard; and gypsum for TJ [index entry]
5Thomas Jefferson to Bernard Peyton, 3 November 1817 (Jefferson Papers)
Peyton, Bernard; and gypsum for TJ [index entry]
6Thomas Jefferson to Joel Yancey, 17 January 1819 (Jefferson Papers)
Peyton, Bernard; and gypsum for TJ [index entry]