Biblio
. 1885. “The Lowell Observatory And Its Work”. Popular Astronomy. Popular Astronomy.
. 1897. “The Lowell Observatory In Mexico”. Popular Astronomy. Popular Astronomy.
. 1899. “Mars.”.
. 1903. “A New Almucantar”. Popular Astronomy. Popular Astronomy.
. 1900. “Photographs Of The Zodical Light”. Popular Astronomy. Popular Astronomy.
. 1925. “Radio Talks On Science”. Scientific Monthly. Scientific Monthly.
. 1898. “Scales Of Seeing”. Popular Astronomy. Popular Astronomy.
. 1929. “Secret Of The Southwest Solved By Talkative Tree Rings ”. National Geographic Magazine. National Geographic Magazine.
. 1927. “Solar Records In Tree Growth”. Science. Science.
. 1898. “Stellar Bands In The Zodiac From Gemini To Scorpio”. Popular Astronomy. Popular Astronomy.
. 1899. “A Summary Of Planetary Work At The Lowell Observatory And The Conditions Under Which It Has Been Performed”. Popular Astronomy. Popular Astronomy.
. 1933. “Tree Growth And Climatic Cycles”. The Scientific Monthly. The Scientific Monthly.
. 1927. “Two Sciences”. The Atlantic Monthly. The Atlantic Monthly.
. 1923. “University Of Arizona Eclipse Expedition”. Popular Astronomy. Popular Astronomy.
. 1897. “An Ascent Of Popocatepetl”.
. 1923. “Historical Address”.
. 1901. “Astronomical Telegrams”. Publications Of The Astronomical Society. Publications Of The Astronomical Society.
. 1935. “Dating Pueblo Bonito And Other Ruins Of The Southwest”. National Geographic Society. National Geographic Society. National Geographic Society.
. 1892. “La Inundacion De 1868”. El Cosmos. El Cosmos.
. 1893. “Swift's Comet 1892”.

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