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Douglass, AE. 1894. “Gegenschein Observations”.

Douglass, AE_Gegenschein Observations_1894.pdf (1.61 MB)

Douglass, AE. 1931. “Trees And Droughts In Arizona”. Professional Engineer. Professional Engineer.

Douglass, AE. 1914. “A Photographic Periodogram Of The Sun-Spot Numbers”. The Astrophysical Journal, XL (No. 3). The Astrophysical Journal, .

Douglass, AE_A Photographic Periodogram of the Sun-Spot Numbers_1914.pdf (7.69 MB)

Douglass, AE. 1916. “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.

Douglass, AE_The Callendar Sunshine Recorder and Some of the World-Wide Problems to Which This Instrument Can Be Applied_1916.pdf (9.7 MB)

Douglass, AE. 1918. “The Steward Observatory Of The University Of Arizona”. Publications Of The Astronomical Society (No. 178). Publications Of The Astronomical Society.

Douglass, AE_The Steward Observatory of the University of Arizona_1918.pdf (4.65 MB)

Douglass, AE. 1910. “Halleys Comet”. Tucson Citizen. Tucson Citizen.

Douglass, AE. 1910. “Drawings Of A Comet”. Popular Astronomy. Popular Astronomy.

Douglass, AE_Drawings of a Comet_1910.pdf (1.86 MB)

Douglass, AE. 1933. “Tree Growth And Climatic Cycles”. The Scientific Monthly. The Scientific Monthly.

Douglass, AE. 1897. “The Lowell Observatory In Mexico”. Popular Astronomy. Popular Astronomy.

Douglass, AE_The Lowell Observatory in Mexico_1897.pdf (2.59 MB)

Douglass, AE. “Montezuma's Well And The Soda Spring, Arizona”.

Douglass, AE_Montezumas Well and the Soda Spring, Arizona_1896.pdf (12.91 MB)

Douglass, AE. 1941. “Crossdating In Dendrochronology”. Journal Of Forestry 39. Journal Of Forestry.

Douglass, AE. 1895. “A Cloud-Like Spot On The Terminator Of Mars”.

Douglass, AE_A Cloud Like Spot on the Terminator of Mars_1895.pdf (172.04 KB)

Douglass, AE. 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.

Douglass, AE_Some Topographic and Climatic Characters in the Annual Ring of the Yellow Pines and Sequoias of the Southwest_1922.pdf (5.9 MB)

Douglass, AE. 1885. “The Lowell Observatory And Its Work”. Popular Astronomy. Popular Astronomy.

Douglass, AE_The Lowell Observatory and Its Work_1895.pdf (4.48 MB)

Douglass, AE. 1919. “An Automatic Optical Photograph, Abstract”. Publications Of The Astronomical Society Of The Pacific. Publications Of The Astronomical Society Of The Pacific.

Douglass, AE_An Automatic Optical Photograph_1919.pdf (1.21 MB)

Douglass, AE. 1923. “University Of Arizona Eclipse Expedition”. Popular Astronomy. Popular Astronomy.

Douglass, AE_University of Arizona Eclipse Expedition_1923.pdf (3.33 MB)

Douglass, AE. 1896. “Projections On The Terminator Of Mars And Martian Meteorology”.

Douglas, AE_Projections on the Terminator of Mars and Martian Meteorology_1896.pdf (3.73 MB)

Douglass, AE. 1894. “Forms Of Jupiter's Satellites”. Popular Astronomy. Popular Astronomy.

Douglass, AE_Forms of Jupiters Satellites_1894.pdf (132.74 KB)

Douglass, AE. 1937. “Tree Rings And Chronology”. University Of Arizona Bulletin VII (No. 4). University Of Arizona Bulletin.

Douglass, AE_Tree Rings and Chronology_1937.pdf (58.21 MB)

Douglass, AE. 1900. “Photographs Of The Zodical Light”. Popular Astronomy. Popular Astronomy.

Douglass, AE_Photographs of the Zodical Light_1900.pdf (4.27 MB)

Douglass, AE. 1927. “Solar Records In Tree Growth”. Science. Science.

Douglass, AE_Solar Records in Tree Growth_1927.pdf (4.75 MB)

Douglass, AE. 1903. “A New Almucantar”. Popular Astronomy. Popular Astronomy.

Douglass, AE_A New Almucantar_1903.pdf (3.28 MB)

Douglass, AE. 1897. “The Astronomer's Globe”. Popular Astronomy. Popular Astronomy.

Douglass, AE_The Astronomer's Globe_1897.pdf (2.77 MB)

Douglass, AE. 1926. “The Significance Of Honor Societies ”. Phi Kappa Phi Journal VI (No. 9). Phi Kappa Phi Journal.

Douglass, AE_The Significance of Honor Socieities_1926.pdf (4.49 MB)

Douglass, AE. 1910. “El Cometa De Halley”. Tucson Citizen. Tucson Citizen.