Biblio
“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. 
“Crossdating At Mesa Verde National Park”. Journal Of Forestry 40 (No. 4). Journal Of Forestry.
. 1942. “Crossdating In Dendrochronology”. Journal Of Forestry 39. Journal Of Forestry.
. 1941. Field Museum News. Field Museum News.
. 1940. “Tree Rings And Chronology”. University Of Arizona Bulletin VII (No. 4). University Of Arizona Bulletin.
. 1937. 
“Evidences Of Cycles In Tree Ring Records”. Proceedings Of The National Academy Of The Sciences. Proceedings Of The National Academy Of The Sciences.
. 1933. 
“Trees And Droughts In Arizona”. Professional Engineer. Professional Engineer.
. 1931. “Climate And Trees”. Nature Magazine. Nature Magazine.
. 1928. 
“Solar Records In Tree Growth”. Science. Science.
. 1927. 
“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. 
“Dating Our Prehistoric Ruins”. Natural History. Natural History.
. 1921. 
“Weather Cycles In The Growth Of Big Trees”. Monthly Weather Review. Monthly Weather Review.
. 1908. 