Guide to Research CollectionsLibrary of Congress
Papers: In the Joshua Leavitt family papers, 1812-1901, 0.2 linear foot.
Correspondents include Samuel Clesson Allen.
New England Historic Genealogical Society
Papers: In the Henry Wyles Cushman Collection, 1679-1867, 16 linear feet.
Correspondence and other papers relating to the estate and Illinois land speculation activities of Samuel Clesson Allen, whose estate Henry Cushman administered. An inventory is available in the repository.