Creasman, Pearce Paul. 2010. ?Extracting Cultural Information From Ship Timber?. Anthropology / Nautical Archaeology. Anthropology / Nautical Archaeology. Texas A&M University. http://search.proquest.com/docview/856582319?accountid=8360.

Cheng, Li. 2005. ?Elevated Atmospheric Carbon Dioxide Impacts Carbon Dynamics In A C(4)-Sorghum-Soil Agroecosystem: An Application Of Stable Carbon Isotopes (Delta Carbon-13) In Tracing The Fate Of Carbon In The Atmosphere-Plant-Soil Ecosystem?. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=885700691&sid=10&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Grow, David Earl. 2002. ?Effects Of Substrate On Dendrochronologic Streamflow Reconstruction: Paria River, Utah; With Fractal Applications To Dendrochronology?. School Of Renewable Natural Resources. School Of Renewable Natural Resources. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=765129271&sid=4&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Elson, Mark. 1996. ?An Ethnographic Perspective On Prehistoric Platform Mounds Of The Tonto Basin, Central Arizona?. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=739658101&sid=23&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Touchan, Ramzi. 1991. ?Effects Of Coppice Thinning On Growth And Yield Of Emory Oak Sprouts In Southeastern Arizona?. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=745176541&sid=2&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Sutherland, Elaine Kennedy. 1989. ?The Effect Of Prescribed Burning On Southwest Ponderosa Pine Growth?. School Of Renewable Natural Resources. School Of Renewable Natural Resources. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=746080281&sid=4&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Sutherland, Elaine Kennedy. 1983. ?The Effects Of Fire Exclusion On Growth In Mature Ponderosa Pine In Northern Arizona?. Geoscience. Geoscience. Tucson: University of Arizona.

Schweingruber, Fritz H, Raymond  Kontic, and Amanda  Winkler-Seifert. 1983. ?Eine Jahrringanalytische Studie Zum Nadelbaumsterben In Der Schweiz?. Berichte Rapports. Berichte Rapports. Birmensdorf: Eidgenossische Anstalt fur das Forstliche Versuchswesen.

Conkey, Laura Elizabeth. 1982. ?Eastern U.s. Tree-Ring Widths And Densities As Indicators Of Past Climate?. Geoscience. Geoscience. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=748496351&sid=24&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Tolley, Leslie Carroll. 1982. ?The Effects Of Atmospheric Carbon Dioxide Enrichment, Irradiance And Water Stress On Seedling Growth And Physiology Of Liquidambar Styraciflua And Pinus Taeda?. Botany. Botany. Duke University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=752091331&sid=6&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Bristow, Katherine Jan Hansen. 1981. ?Environmental Controls Influencing The Altitude And From Of The Forest-Alpine Tundra Ecotone, Colorado Front Range?. University of Colorado. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=753126171&sid=5&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Fox, Carl Alan. 1980. ?The Effect Of Air Pollution On Western Larch As Detected By Tree-Ring Analysis?. Arizona State University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=749712461&sid=13&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Dean, Jeffrey S, and William J Robinson. 1978. Expanded Tree-Ring Chronologies For The Southwestern United States. Chronology Series Iii. Chronology Series Iii. Tucson: Laboratory of Tree-Ring Research.

Bronitsky, Gordon. 1977. ?An Ecological Model Of Trade: Prehistoric Economic Change In The Northern Rio Grande Region Of New Mexico?. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=759276391&sid=29&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Leech, George R. 1976. ?The Effects Of Fertilization On Diameter Growth In Dense Stands Of Ponderosa Pine In Arizona?. University of Arizona.

Drew, Allan P. 1973. ?Effects Of Light Preconditioning On The Seasonal Water Relations Of Nursery-Grown Douglas-Fir?. Forest Management. Forest Management. Oregon State University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=759152371&sid=7&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Beasley, Roy Scott. 1966. ?The Effects Of Thinning And Nutrient Treatments On The Growth Of Ponderosa Pine.?. University of Arizona. no copy on file in LTRR.

Douglass, AE. 1933. ?Evidences Of Cycles In Tree Ring Records?. Proceedings Of The National Academy Of The Sciences. Proceedings Of The National Academy Of The Sciences.

Douglass, AE. 1920. ?Evidence Of Climatic Effects In The Annual Rings?. Ecology 1 (No. 1). Ecology.

Douglass, AE. 1910. ?El Cometa De Halley?. Tucson Citizen. Tucson Citizen.

Douglass, AE. 1899. ?The Effects Of Mountains On The Quality Of The Atmosphere?. Popular Astronomy . Popular Astronomy .

Haeberli, Von. ?Eistemperaturen In Den Alpen?.