1. Wittry Warren L. 1960 Report of Phase 3 Archaeological Salvage Project, FAI, Route 70, Section 60-6-2HB, Project 1-70-1 (40) 4, The Cahokia Site, 800 Feet West of Monks Mound. MS on file at the Illinois State Museum, Springfield.
2. Fisk Harold N. 1944 Geological Investigation of the Alluvial Valley of the Lower Mississippi River, War Department, Corps of Engineers, U.S. Army, Mississippi River Commission, Publication 52. Vicksburg.
3. Archaeological Survey in the Lower Mississippi Alluvial Valley;Phillips;Papers of the Peabody Museum of American Archaeology and Ethnology,1951
4. Wittry Warren L. 1961 Report of Phase 3 Archaeological Salvage Project, FAI 255, Section 60-6-1, Tract 15A, Project 1-70-1 (40) 4, The Cahokia Site, 3000 Feet West of Monks Mound, Madison County, Illinois. MS on file at the Illinois State Museum, Springfield.