Louise M. Burkhart, Before Guadalupe: The Virgin Mary in Early Colonial Nahuatl Literature, Institute for Mesoamerican Studies Monograph 13 (Albany: University at Albany, 2001),139.
regional merchant Deborah L. Nichols, "Farm to Market in the Aztec Imperial Economy," in Rethinking the Aztec Economy, eds. Deborah L. Nichols, Frances Berdan, and Michael E. Smith (Tucson: University of Arizona Press, 2017), 25.