David Bates Douglass (1790-1849)
Drawings at the Winterthur Library in Delaware.
Documents:
1820-09-14. Lewis Cass in Detroit to John C. Calhoun. He has learned of the death of Ellicott. Recommends that Douglas replace him. High praise for Douglass. He was Assistant Professor to Mansfield and "his connexion with the family of Mr. Ellicott furnish additional reasons why he should receive the appointment."
Archives:
Historical Society of Pennsylvania: The Simon Gratz Collection has Douglass's letters of 1820-1821 to Amos Eaton, Benjamin Silliman, and S. L. Mitchell on Michigan geology and on his disagreement with Schoolcraft. In the Dreer Collection see his 1820 letter to Mitchell.