1. Iannone, G. J. (1992). Ancient maya eccentric lithics: A contextual analysis (M.A. thesis), Trent University, Peterborough, Ontario.
2. Meadows, R. K. (2001). Crafting K’awil: A comparative analysis of maya symbolic flaked stone assemblages from three sites in Northern Belize (PhD. Dissertation) University of Texas, Austin.