Biblio
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. 1901. “Altitudes And Locations”. Coconino Sun. Coconino Sun.
. 1980. “Allometric Analysis Of Plant Growth In Woodland Communities”. Range Science. Range Science. Utah State University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=749271331&sid=1&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 1983. “Air Pollutants And Forest Decline”. Environmental Science Technology 17 (No. 6). Environmental Science Technology.
. 1967. “An Aid To Help Park Naturalists To Acquaint Visitors With The Subalpine-Alpine Ecotone Of Wesern North America”. University of Montana.
. 1991. “Agroclimate, Harvest Variability, And Agricultural Strategies On Prehistoric Black Mesa, Northeasthern Arizona”. Indiana University.
. 1979. “A.e. Douglass And The Canals Of Mars”. The Astronomy Quarterly 3 (No. 9). The Astronomy Quarterly.
. 1910. “Address At High School On Halleys Comet”. Tucson Citizen. Tucson Citizen.