Bachand, Bruce. 2006. ?Preclassic Excavations At Punta De Chimino, Peten, Guatemala: Investigating Social Emplacement On An Early Maya Landscape?. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=1296087131&sid=2&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Pendall, Elise Gislaine. 1997. ?Precipitation Seasonality Recorded In D/h Ratios Of Pinyon Pine Cellulose In The Southwestern United States?. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=736806701&sid=12&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Lloyd, Andrea. 1996. ?Patterns And Processes Of Treeline Forest Response To Late Holocene Climate Change In The Sierra Nevada, California?. Biology. Biology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=742626921&sid=20&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Clark, Susanmarie. 1987. ?Potential For Use Of Cottonwoods In Dendrogeomorphology And Paleohydrology?. Department Of Geosciences. Department Of Geosciences. Tucson: University of Arizona.

Graybill, DA. 1985. ?Proposed Contract With The Environmental Sciences Division, Oak Ridge, Tn. 37831 For Research On 'detection Of Forest Response To Increased Atmospheric Carbon Dioxide' 1985?. Tucson: Laboratory of Tree-Ring Research.

Graybill, DA. 1984. ?Proposed Contract With The Environmental Sciences Division, Oak Ridge, Tn. 37831 For Research On 'detection Of Forest Response To Increased Atmospheric Carbon Dioxide' 1984?. Tucson: Laboratory of Tree-Ring Research.

Harrill, Bruce G. 1982. ?Prehistoric Agricultural Adaptation And Settlement In Long House Valley, Northeastern Arizona?. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=752836931&sid=25&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Sullivan, Alan. 1980. ?Prehistoric Settlement Variability In The Grosshopper Area, East-Central Arizona?. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=749715921&sid=26&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Douglas, Arthur Vern. 1976. ?Past Air-Sea Interactions Over The Eastern North Pacific Ocean As Revealed By Tree-Ring Data?. Geoscience. Geoscience. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=760943281&sid=5&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Wiseman, Fredrick Matthew. 1974. ?Paleoecology And The Prehistoric Maya: A History Of Man-Land Relationships In The Tropics?. Geoscience. Geoscience. University of Arizona.

Fritts, H. 1973. ?Paleoclimatology?.

Douglas, Arthur Vern. 1973. ?Past Air-Sea Interactions Off Southern California As Revealed By Coastal Tree-Ring Chronologies?. Geoscience. Geoscience. University of Arizona.

Brown, James Milton. 1968. ?The Photosynthetic Regime Of Some Southern Arizona Ponderosa Pine?. Biological Science. Biological Science. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=756120291&sid=2&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Douglass, AE. 1946. ?Precision Of Ring Dating In Tree-Ring Chronologies?. Tree Ring Bulletin  XVII (No. 3). Tree Ring Bulletin .

Douglass, AE. 1926. ?Photograph Of Shadow Bands?. Astrophysical Journal LXIII (No. 3). Astrophysical Journal.

Douglass, AE. 1925. ?Phi Kappa Phi Installation Address?.

Douglass, AE. 1914. ?A Photographic Periodogram Of The Sun-Spot Numbers?. The Astrophysical Journal,  XL  (No. 3). The Astrophysical Journal, .

Douglass, AE. 1906. ?Physical Geography?. Tempe Normal School. Tempe Normal School.

Douglass, AE. 1901. ?Photographs Of The Zodical Light?. Astronomical Society Of The Pacific XIII (No. 78). Astronomical Society Of The Pacific.

Douglass, AE. 1900. ?Photographs Of The Zodical Light?. Popular Astronomy. Popular Astronomy.

Douglass, AE. 1898. ?Present Rotation Period Of The First Satellite Of Jupiter And Its Change In Form And Period Since 1892?. The Astronomical Journal (No. 441). The Astronomical Journal.

Douglass, AE. 1896. ?Projections On The Terminator Of Mars And Martian Meteorology?.

Douglass, AE, and Percival  Lowell. 1894. ?The Polar Cap Of Mars?. Astronomy And Astrophysics. Astronomy And Astrophysics.

Hotvedt, James E, and Ben D Jackson. ?Predicting Growth And Yield In The Mid-South?. In 31St Annual Forestry Symposium. 31St Annual Forestry Symposium. Baton Rouge: School of Forestry and Wildlife Management, Division of Continuing Education Louisiana State University.