Obsidian blades, jade earspools, pendants from Dzibanche	Prismatic blades and cores

Charlton, Thomas H. eotihuacan, Tepeapulco, and Obsidian Exploitation, Science, June 16, 1978
MacCurdy, George Grant. The Obsidian Razor of the Aztecs, American Anthropologist, July-September 1900
Spence, Michael W. The Obsidian Industry of Teotihuacan, American Antiquity, October 1967