1Thomas Jefferson to James Madison, 27 April 1809 (Jefferson Papers)
Smith, Robert; and D. M. Erskine [index entry]
2James Madison to Thomas Jefferson, 3 August 1809 (Jefferson Papers)
Smith, Robert; and D. M. Erskine [index entry]
3William Duane to Thomas Jefferson, 16 July 1810 (Jefferson Papers)
Smith, Robert; and D. M. Erskine [index entry]