Payne, Corey R. “Walter Scheidel. The Great Leveler: Violence and the History of Inequality from the Stone Age to the 21st Century”. Journal of World-Systems Research 25, no. 1 (March 25, 2019): 200-205. Accessed October 18, 2021. https://jwsr.pitt.edu/ojs/jwsr/article/view/913.