Williams, J. M., & Shapiro, G. (1990). Lamar archaeology: Mississippian chiefdoms in the deep South. University of Alabama Press.

Williams, J. Mark, and Gary Shapiro. Lamar Archaeology: Mississippian Chiefdoms in the Deep South. Tuscaloosa, Ala.: University of Alabama Press, 1990.

Williams, J. Mark, and Gary Shapiro. Lamar Archaeology: Mississippian Chiefdoms in the Deep South. University of Alabama Press, 1990.