Haeberli, Von, and Rothlisberger, H. Anon.1975. Beobachtungen zum Mechanisums und zu den Auswirkungen con Kalbungen am Grubengletscher.

Craig, Douglas. Anon.2004. Beyond snaketown: Household inequality and political power in early Hohokam society. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=766021551&sid=5&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Anon.1963. Bill to Authorize, Construct and Maintain the Central Arizona Project, Arizona-New Mexico and For Other Purposes. Washington, D.C. : U.S. Government Printing Office.

Douglass, AE. Anon.1907. Boating Down the Colorado. University of Arizona Monthly 8, no. No. 1. University of Arizona Monthly.

Scott, Beasley Roy. Anon.1972. Bristlecone Pine (Pinus Longaeva) in Relation to Environmental Factors and Soil Properties in East-Central Nevada. Watershed Management. Watershed Management. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com.ezproxy1.library.arizona.edu/pqdweb?did=760211211&sid=4&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Ferguson, CW. Anon.1983. Bristlecone Pine Project Status.

Ferguson, CW. Anon.1968. Bristlecone Pine Science and Esthetics.