Biblio
“A Photographic Periodogram Of The Sun-Spot Numbers”. The Astrophysical Journal, XL (No. 3). The Astrophysical Journal, .
. 1914. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Photographs Of The Zodical Light”. Astronomical Society Of The Pacific XIII (No. 78). Astronomical Society Of The Pacific.
. 1901. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“The Polar Cap Of Mars”. Astronomy And Astrophysics. Astronomy And Astrophysics.
. 1894. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Precision Of Ring Dating In Tree-Ring Chronologies”. Tree Ring Bulletin XVII (No. 3). Tree Ring Bulletin .
. 1946. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Present Rotation Period Of The First Satellite Of Jupiter And Its Change In Form And Period Since 1892”. The Astronomical Journal (No. 441). The Astronomical Journal.
. 1898. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Researches In Dendrochronology”. Bulletin Of The University Of Utah 37 (No. 2). Bulletin Of The University Of Utah.
. 1946. “The Significance Of Honor Societies ”. Phi Kappa Phi Journal VI (No. 9). Phi Kappa Phi Journal.
. 1926. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“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. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“The Steward Observatory Of The University Of Arizona”. Publications Of The Astronomical Society (No. 178). Publications Of The Astronomical Society.
. 1918. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“The Study Of Atmospheric Current By The Aid Of Large Telescopes And The Effect Of Such Currents On The Quality Of The Seeing”. The Meterological Journal. The Meterological Journal.
. 1895. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Tree Rings And Chronology”. University Of Arizona Bulletin VII (No. 4). University Of Arizona Bulletin.
. 1937. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“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. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“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. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“An Ascent Of Popocatepetl”. Popular Astronomy. Popular Astronomy.
. 1898. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“The Astronomer's Globe”. Popular Astronomy. Popular Astronomy.
. 1897. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Atmosphere, Telescope And Observer”. Popular Astronomy. Popular Astronomy.
. 1897. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Climate And Trees”. Nature Magazine. Nature Magazine.
. 1928. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Dating Our Prehistoric Ruins”. Natural History. Natural History.
. 1921. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Drawings Of A Comet”. Popular Astronomy. Popular Astronomy.
. 1910. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“The Effects Of Mountains On The Quality Of The Atmosphere”. Popular Astronomy . Popular Astronomy .
. 1899. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Forms Of Jupiter's Satellites”. Popular Astronomy. Popular Astronomy.
. 1894. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
. 1894.
Douglass, AE_Gegenschein Observations_1894.pdf (1.61 MB)
![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“The Illusions Of Vision And The Canals Of Mars”. Popular Science Monthly. Popular Science Monthly.
. 1907. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
“Indications Of A Rainy Period In Southern Peru”. Science. Science.
. 1892. ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)