1. Avery, D. H., & Schmidt, P. R. (1996). Preheating: Practice or illusion? In P. R. Schmidt (Ed.), The culture and technology of African iron production (pp. 267–276). Gainesville: University Press of Florida.
2. Babalola, A., Dussubieux, L., McIntosh, S., & Rehren, T. (2018). Chemical analysis of glass beads from Igbo Olokun, Ile-Ife (SW Nigeria): New light on raw materials, production, and interregional interactions. Journal of Archaeological Science, 90, 92–105.
3. Beach, D. (1998). Cognitive archaeology and imaginary history at Great Zimbabwe. Current Anthropology, 39, 47–72.
4. Binford, L. R. (1962). Galley Pond Mound: Archaeological investigations in the Carlyle Reservoir, Clinton County, Illinois. Southern Illinois University Museum Archaeological Salvage Report, 17, 58–109.
5. Binford, L. R. (1966). Archaeology at Hatchery West, Carlyle, Illinois. Carbondale: Southern Illinois University Museum.