Biblio
“Tree-Ring Studies Of The Pueblo De Acoma: A Preliminary Report Supplement No. 1”. Tucson: Laboratory of Tree-Ring Research.
. 1988. 
Tree-Ring Dates From Colorado V Mesa Verde Area. Tucson: University of Arizona.
. 1974. 
A Directory Of Tree-Ring Dated Prehistoric Sites In The American Southwest. Tucson: Laboratory of Tree-Ring Research.
. 1991. 
Tree-Ring Dates From New Mexico B Chaco-Gobernador Area. Tucson: University of Arizona.
. 1974. 
“Tree-Ring Reconstruction Of Western Spruce Budworm Outbreaks In The Rio Grande National Forest, Colorado”. School Of Renewable Natural Resources. School Of Renewable Natural Resources. Tucson: University of Arizona.
. 1999. 
“Eine Jahrringanalytische Studie Zum Nadelbaumsterben In Der Schweiz”. Berichte Rapports. Berichte Rapports. Birmensdorf: Eidgenossische Anstalt fur das Forstliche Versuchswesen.
. 1983. . 1984.
“A Dendrochronological Record Of Pandora Moth (Coloradia Pandora, Blake) Outbreaks In Central Oregon”. Geoscience. Geoscience. Tucson: University of Arizona.
. 1997. 
“Tree Ring Indices And Statistics”. Science. Science.
. 1968. “Fire History Of The Gila Wilderness, New Mexico”. Department Of Renewable Natural Resources. Department Of Renewable Natural Resources. Tucson: University of Arizona.
. 1983. 
. 1977.
“A Dendrochronological Study Of The Great Salt Lake Basin”. Department Of Geography. Department Of Geography. Salt Lake City: University of Utah.
. 1989.