Beasley, Roy Scott. Anon.1966. The effects of thinning and nutrient treatments on the growth of ponderosa pine.. University of Arizona. no copy on file in LTRR.

Cunningham, Gary Lynn. Anon.1966. Variation in Water Stress of Ponderosa Pine. Botony. Botony. University of Arizona.

Stokes, M. Anon.1965. The Differentiation of Tracheary Elements from the Cambium of Pinus Edulis Engelm: The Correlation of Differentiation with Measured Ring Width and Environmental Factors. Botany. Botany. University of Arizona.

Breternitz, David Alan. Anon.1963. The Archaeological Interpretation of Tree-Ring Specimins for Dating Southwestern Ceramic Styles. Tucson: University of Arizona.

Dodge, Richard Archie. Anon.1963. Investigtions into the Ecological Relationships of Ponderosa Pine in Southeast Arizona. Botany. Botany. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=763081241&sid=6&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Wright, Robert Dennison. Anon.1963. Some Ecological Studies on Bristlecone Pine in the White Mountains of California. Plant Science. Plant Science. University of California. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com.ezproxy2.library.arizona.edu/pqdweb?did=763335561&sid=2&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Hall, Gavin Siegmund. Anon.1962. Relationship Between Douglas Fir Latewood and Some Environmental Factors. Department of Forestry. Department of Forestry. University of British Colombia.

Harlan, Thomas P. Anon.1962. A Sequence of Ruins in the Flagstaff Area Dated by Tree-Rings. Anthropology. Anthropology. University of Arizona.

Bannister, Bryant. Anon.1960. Tree-Ring Dating of Archaeological Sites in the Chaco Canyon Region, New Mexico. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=763297551&sid=4&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Artmann, Alfred. Anon.1949. Jahrringchronologische und- Klimatologische Untersuchungen an der Zirbe und Anderen Bäumen des Hochgebirges. Ludwig-Maximilian-Universität.

Lassetter, Roy Jr. Anon.1938. A Dendrochronological Investigation in the Clinch River Drainage, Tennessee. Anthropology. Anthropology. University of Arizona.