Biblio
“Tree Rings And Chronology”. University Of Arizona Bulletin VII (No. 4). University Of Arizona Bulletin.
. 1937. 
“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. 
“Trees And Droughts In Arizona”. Professional Engineer. Professional Engineer.
. 1931. “A Trip To The Summit Of Orizaba, The Altitudes Of Orizaba And Popocatepetl Effects Of High-Mountain Climbing”. Appalachia Vol. VIII (No. 4). Appalachia.
. 1898. 
“Two Sciences”. The Atlantic Monthly. The Atlantic Monthly.
. 1927. 
“University Of Arizona Eclipse Expedition”. Popular Astronomy. Popular Astronomy.
. 1923. 
“University Of Arizona Eclipse Expedition, Port Libertad, Sonora, Mexico”. Publications Of The Astronomical Society Of The Pacific XXXVI (No. 212). Publications Of The Astronomical Society Of The Pacific.
. 1923. 
“Weather Cycles In The Growth Of Big Trees”. Monthly Weather Review. Monthly Weather Review.
. 1908. 
“Weather Prediction In Northern Arizona”. The Coconino Sun. The Coconino Sun.
. 1900. “Where-When Did Masonry Originate”. Arizona Daily Star. Arizona Daily Star.
. 1912. “Zodical Light And Counter-Glow And The Photography Of Large Areas And Faint Contrasts”. In Royal Photographic Society Of Great Britain. Royal Photographic Society Of Great Britain.
. 1915. 