1. Instituto Nacional de Estadística y Geografía, Panorama sociodemográfico de Sonora, Instituto Nacional de Estadística y Geografía, Aguascalientes, 2011.
2. Ancient Hunters of the Far West;Rogers,1966
3. Settlements and the development of “Statelets” in Sonora, Mexico;Doolittle;J. Field Archaeol.,1984
4. Western and Northwestern Mexico;Gorenstein,2008
5. Climate of Rebellion: The Relationship Between Climate Variability and Indigenous Upsisings in Mid-eighteenth Century;Brennerman,2004