Kaldahl, Eric. 2000. ?Late Prehistoric Technological And Social Reorganization Along The Mogollon Rim, Arizona?. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=727734641&sid=17&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Riggs, Charles. 1999. ?The Architecture Of Grasshopper Pueblo: Dynamics Of Form, Function, And Use Of Space In A Prehistoric Community?. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=733967641&sid=16&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Robinson, William J, and Catherine M Cameron. 1991. A Directory Of Tree-Ring Dated Prehistoric Sites In The American Southwest. Tucson: Laboratory of Tree-Ring Research.

Douglass, AE. 1921. ?Dating Our Prehistoric Ruins?. Natural History. Natural History.