1. Anderson, James 1969 A Cahokia palisade sequence. In Investigations in Cahokia archeology, edited by M. Fowler Illinois Archaeological Survey Bulletin 7:89-99. Urbana.
2. Meander loops and the Cahokia site;Bareis;American Antiquity,1964
3. Benchley, Elizabeth D. 1975 The first terrace of Monks Mound. In Cahokia archaeology: Field reports, edited by M. Fowler. Illinois State Museum Research Series, No. 3. Springfield
4. An overview of the prehistoric resources of the metropolitan St. Louis area;Benchley,1976
5. Brackenridge, Henry Marie 1814 Views of Louisiana together with a journal of a voyage up the Missouri river, 1811. Pittsburg. (Modern edition published 1962, by Quadrangle Books, Inc., Chicago.)