- Michigan. Governor (1813-1831 : Cass)
- Indiana Memory
- Indiana State Library
Letter encloses Francois Lafontaine's petition to the president (see http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p1819coll11/id/2134)for permission to sell the land he acquired at the Treaty of St. Mary's (1818).
- autograph letter signed