Biblio
“Trees And Droughts In Arizona”. Professional Engineer. Professional Engineer.
. 1931. “Reports On The Conferences Of Cycles”. Washington, D.C. : Carneige Institution.
. 1929. 
“Secret Of The Southwest Solved By Talkative Tree Rings ”. National Geographic Magazine. National Geographic Magazine.
. 1929. 
“Climate And Trees”. Nature Magazine. Nature Magazine.
. 1928. 
“Solar Records In Tree Growth”. Science. Science.
. 1927. 
“Two Sciences”. The Atlantic Monthly. The Atlantic Monthly.
. 1927. 
“Photograph Of Shadow Bands”. Astrophysical Journal LXIII (No. 3). Astrophysical Journal.
. 1926. 
“The Significance Of Honor Societies ”. Phi Kappa Phi Journal VI (No. 9). Phi Kappa Phi Journal.
. 1926. 
. 1925.
Douglass, AE_Phi Kappa Phi Installation Address_1925.pdf (3.45 MB)

“Radio Talks On Science”. Scientific Monthly. Scientific Monthly.
. 1925. 
. 1923.
Douglass, AE_Historical Address_1923.pdf (6.29 MB)

“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. 
“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. 
“Dating Our Prehistoric Ruins”. Natural History. Natural History.
. 1921. 
“Evidence Of Climatic Effects In The Annual Rings”. Ecology 1 (No. 1). Ecology.
. 1920. 
“An Automatic Optical Photograph, Abstract”. Publications Of The Astronomical Society Of The Pacific. Publications Of The Astronomical Society Of The Pacific.
. 1919. 
“The Steward Observatory Of The University Of Arizona”. Publications Of The Astronomical Society (No. 178). Publications Of The Astronomical Society.
. 1918. 
“The Callendar Sunshine Recorder And Some Of The World-Wide Problem To Which This Instrument Can Be Applied”. In Second Pan-American Scientific Conference. Second Pan-American Scientific Conference.
. 1916. 
“An Optical Photograph”. The Astrophysical Journal XLI (No. 3). The Astrophysical Journal.
. 1915. 
“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. 
“A Method Of Estimating Rainfall By The Growth Of Trees”. Bulletin Of The American Geographic Society XLVI. Bulletin Of The American Geographic Society.
. 1914. 
“A Photographic Periodogram Of The Sun-Spot Numbers”. The Astrophysical Journal, XL (No. 3). The Astrophysical Journal, .
. 1914. 