1. Terrace Stratigraphy in the Tunica Hills of Louisiana
2. H. A. Bernard, 1950 . Quaternary geology of southeast Texas. Ph.D. dissertation , Louisiana State University, Baton Rouge.
3. S. Bolduc, 1982 . An investigation of the origin of glaciated and unglaciated underfit rivers in Illinois. Master's thesis , Western Illinois University, Macomb.