Biblio
“La Inundacion De 1868”. El Cosmos. El Cosmos.
. 1892. 
“Is Mars Inhabited?”. The Harvard Illustrated Magazine Vol. VIII (No. 6). The Harvard Illustrated Magazine.
. 1907. 
“Tree Growth And Climatic Cycles”. The Scientific Monthly. The Scientific Monthly.
. 1933. “Crossdating In Dendrochronology”. Journal Of Forestry 39. Journal Of Forestry.
. 1941. “The Significance Of Honor Societies ”. Phi Kappa Phi Journal VI (No. 9). Phi Kappa Phi Journal.
. 1926. 
. 1897.
Douglass, AE_An Ascent of Popocatepetl_1897.pdf (1.92 MB)

. 1894.
Douglass, AE_Gegenschein Observations_1894.pdf (1.61 MB)

“Evidences Of Cycles In Tree Ring Records”. Proceedings Of The National Academy Of The Sciences. Proceedings Of The National Academy Of The Sciences.
. 1933. 
“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. 
. 1896.
Douglas, AE_Projections on the Terminator of Mars and Martian Meteorology_1896.pdf (3.73 MB)

“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 Markings On Venus”. Monthly Notices Of The Royal Astronomical Society LVIII (No. 78). Monthly Notices Of The Royal Astronomical Society.
. 1898. 
“A Hypothesis Regarding The Surface Markings Of Jupiter”. Popular Astronomy (No. 79). Popular Astronomy .
. 1900. 
“Dating Our Prehistoric Ruins”. Natural History. Natural History.
. 1921. 
“Solar Records In Tree Growth”. Science. Science.
. 1927. 
“Astronomical Telegrams”. Publications Of The Astronomical Society. Publications Of The Astronomical Society.
. 1901. 
“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. 
“El Cometa De Halley”. Tucson Citizen. Tucson Citizen.
. 1910. “Dating Pueblo Bonito And Other Ruins Of The Southwest”. National Geographic Society. National Geographic Society. National Geographic Society.
. 1935. “The Polar Cap Of Mars”. Astronomy And Astrophysics. Astronomy And Astrophysics.
. 1894. 
“A Summary Of Planetary Work At The Lowell Observatory And The Conditions Under Which It Has Been Performed”. Popular Astronomy. Popular Astronomy.
. 1899. 
“Forms Of Jupiter's Satellites”. Popular Astronomy. Popular Astronomy.
. 1894. 