Biblio
“Climate And Trees”. Nature Magazine. Nature Magazine.
. 1928. 
“Climatic Information From Ratios Of Cellulose In Tree Rings”. Nature 262 (No. 5568). Nature.
. 1976. “Dendrochronology And Studies In Cyclics”. University Of Pennsylvania Bicentennial Conference. University Of Pennsylvania Bicentennial Conference.
. “Eine Jahrringanalytische Studie Zum Nadelbaumsterben In Der Schweiz”. Berichte Rapports. Berichte Rapports. Birmensdorf: Eidgenossische Anstalt fur das Forstliche Versuchswesen.
. 1983. “Fire History And Fire Climate Relationships In Upper Elevation Forests Of The Southwestern United States”. School Of Natural Resources. School Of Natural Resources. Tucson: University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=1375523671&sid=1&Fmt=2&clientId=43922&RQT=309&VName=PQD.
. 2007. .
“Freshwater Fish-A Global Food Potential”. Ambio. Ambio.
. 1977. “Indications Of A Rainy Period In Southern Peru”. Science. Science.
. 1892. 
“La Inundacion De 1868”. El Cosmos. El Cosmos.
. 1892. 
. 1973.
“Reports On The Conferences Of Cycles”. Washington, D.C. : Carneige Institution.
. 1929. 
“Some Aspects Of The Use Of The Annual Rings In Trees In Climatic Study”. The Smithsonian Report For 1922. The Smithsonian Report For 1922.
. 1922. 
“Some Topographic And Climatic Characters In The Annual Ring Of The Yellow Pines And Sequoias Of The Southwest ”. Proceedings Of The American Philosophical Society LXI (No. 2). Proceedings Of The American Philosophical Society.
. 1922. 
“Trace Element Analysis Of Wood A Tool For Monitoring Air Pollution”. Proceedings Of Iufro Conference. Proceedings Of Iufro Conference. Zurich.
. 1985. “Tree Growth And Climatic Cycles”. The Scientific Monthly. The Scientific Monthly.
. 1933. “Tree Rings A Record Of Climate Past”. Washington, D.C. : U.S. Department of Commerce National Oceanic and Atmospheric Environmental Data Service.
. 1977. “Tree Rings And Climatic Cycles, Laboratory Of Tree-Ring Research, Astronomical Studies”. Phi Kappa Phi Journal. Phi Kappa Phi Journal. Tucson: University of Arizona.
. 1944. 
“Tree Rings, Glacial Advance, And Climate In The Alps”. Zeitschrift Fur Gletscherkunde Und Glazialgeologie VII. Zeitschrift Fur Gletscherkunde Und Glazialgeologie.
. 1971. “Tree-Ring Evidence Of Past Climatic Variability”. Nature 276 (No. 5686). Nature.
. 1978. “Trees And Droughts In Arizona”. Professional Engineer. Professional Engineer.
. 1931.