1. The Uruk countryside;Adams,1972
2. Ahler, S. A. 1971 Projectile point form and function at Rodgers Shelter, Missouri. Missouri Archaeological Society, Research Series 8.
3. On the making of an assemblage of stone tools;Ammerman;American Antiquity,1974
4. Cluster analysis for applications;Anderberg,1973
5. Anderson, D. C., and R. Shutler 1977 Interpreting the major cultural horizons at the Cherokee sewer site (13CK405): A preliminary assessment. Paper presented at the 35th Plains Conference, Lincoln, Nebraska.