1Thomas Jefferson to Gideon Fitz, 23 May 1809 (Jefferson Papers)
surveying; occupation of [index entry]
2Thomas Jefferson to Seth Pease, 23 May 1809 (Jefferson Papers)
surveying; occupation of [index entry]
3Archibald Fisher to Thomas Jefferson, 23 April 1810 (Jefferson Papers)
surveying; occupation of [index entry]