A partial bibliography–all are available “full view” at Google Books

R. I. Brigham, Negro Education in Ante Bellum Missouri, The Journal of Negro History, Vol. 30, No. 4 (Oct., 1945), pp. 405-420

Benjamin Franklin French, Historical Collections of Louisiana and Florida, Including Translations of Original Manuscripts (1869)

Louis Houck, A History of Missouri from the Earliest Explorations and Settlements Until the Admission of the State to the Union (1908)

Katharine Coman, Economic Beginnings of the Far West: How We Won the Land Beyond the Mississippi (1912)

The following material was found at the Mardos Memorial Library (an upcoming post deals with this unique resource):

George Washington Smith, A History of Southern Illinois: A Narrative Account of Its Historical Progress, Its People, and Its Principal Interests (1912)