Biblio
“Boating Down The Colorado”. University Of Arizona Monthly 8 (No. 1). University Of Arizona Monthly.
. 1907. 
“The Illusions Of Vision And The Canals Of Mars”. Popular Science Monthly. Popular Science Monthly.
. 1907. 
“Is Mars Inhabited?”. The Harvard Illustrated Magazine Vol. VIII (No. 6). The Harvard Illustrated Magazine.
. 1907. 
“Weather Cycles In The Growth Of Big Trees”. Monthly Weather Review. Monthly Weather Review.
. 1908. 
“Address At High School On Halleys Comet”. Tucson Citizen. Tucson Citizen.
. 1910. “Drawings Of A Comet”. Popular Astronomy. Popular Astronomy.
. 1910. 
“El Cometa De Halley”. Tucson Citizen. Tucson Citizen.
. 1910. “Halleys Comet”. Tucson Citizen. Tucson Citizen.
. 1910. “Where-When Did Masonry Originate”. Arizona Daily Star. Arizona Daily Star.
. 1912. “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. 
“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. 
“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. 
“The Steward Observatory Of The University Of Arizona”. Publications Of The Astronomical Society (No. 178). Publications Of The Astronomical Society.
. 1918. 
“An Automatic Optical Photograph, Abstract”. Publications Of The Astronomical Society Of The Pacific. Publications Of The Astronomical Society Of The Pacific.
. 1919. 
“Evidence Of Climatic Effects In The Annual Rings”. Ecology 1 (No. 1). Ecology.
. 1920. 
“Dating Our Prehistoric Ruins”. Natural History. Natural History.
. 1921. 
“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. 
. 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. 