Casa Grande National Monument (Ariz.)

Casa Grande Ruins Trail

Southwest Parks and Monuments Association

The Repair of Casa Grande Ruin, Arizona, in 1891

Fifteenth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1893-94, Government Printing Office, Washington, 1897, pages 315-348

Cosmos Mindeleff

Casa Grande Ruin

Thirteenth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1891-92, Government Printing Office, Washington, 1896, pages 289-318

Cosmos Mindeleff