Huckell, B. B., L. Huckell and S. K. Fish 1995 Investigations at Milagro, a Late Preceramic Site in the Eastern Tucson Basin. Technical Report 94-5. Center for Desert Archaeology, Tucson.
Mabry, J. B. (editor) 2008 Las Capas: Early Irrigation and Sedentism in a Southwestern Floodplain. Anthropological Papers No. 28. Center for Desert Archaeology, Tucson.