Biblio
“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 First Satellite Of Jupiter”. Abdruck Aus Den Astr. Nachr. Bd. 146.. Abdruck Aus Den Astr. Nachr. Bd. 146.
. 1898. 
“Forms Of Jupiter's Satellites”. Popular Astronomy. Popular Astronomy.
. 1894. 
. 1894.
Douglass, AE_Gegenschein Observations_1894.pdf (1.61 MB)

“Halleys Comet”. Tucson Citizen. Tucson Citizen.
. 1910. . 1923.
Douglass, AE_Historical Address_1923.pdf (6.29 MB)

“How Tall We Are”. Coconino Sun. Coconino Sun.
. 1895. “A Hypothesis Regarding The Surface Markings Of Jupiter”. Popular Astronomy (No. 79). Popular Astronomy .
. 1900. 
“The Illusions Of Vision And The Canals Of Mars”. Popular Science Monthly. Popular Science Monthly.
. 1907. 
“Indications Of A Rainy Period In Southern Peru”. Science. Science.
. 1892. 
“La Chronologie Des Pueblos”. Revue Archaeologique. Revue Archaeologique.
. 1931. 
“La Inundacion De 1868”. El Cosmos. El Cosmos.
. 1892. 
“The Lowell Observatory And Its Work”. Popular Astronomy. Popular Astronomy.
. 1885. 
“The Lowell Observatory In Mexico”. Popular Astronomy. Popular Astronomy.
. 1897. 
“The Markings On Venus”. Monthly Notices Of The Royal Astronomical Society LVIII (No. 78). Monthly Notices Of The Royal Astronomical Society.
. 1898. 
. 1899.
Douglass, AE_Mars_1899.pdf (6.24 MB)

“Is Mars Inhabited?”. The Harvard Illustrated Magazine Vol. VIII (No. 6). The Harvard Illustrated Magazine.
. 1907. 
“A Method Of Estimating Rainfall By The Growth Of Trees”. Bulletin Of The American Geographic Society XLVI. Bulletin Of The American Geographic Society.
. 1914. 
“The Missing November Meteor”. The Coconino Sun. The Coconino Sun.
. 1900. “A New Almucantar”. Popular Astronomy. Popular Astronomy.
. 1903. 
“An Optical Photograph”. The Astrophysical Journal XLI (No. 3). The Astrophysical Journal.
. 1915. 