Biblio
. 1910. “El Cometa De Halley”. Tucson Citizen. Tucson Citizen.
. 1920. “Evidence Of Climatic Effects In The Annual Rings”. Ecology 1 (No. 1). Ecology.
. 1933. “Evidences Of Cycles In Tree Ring Records”. Proceedings Of The National Academy Of The Sciences. Proceedings Of The National Academy Of The Sciences.
. 1898. “The First Satellite Of Jupiter”. Abdruck Aus Den Astr. Nachr. Bd. 146.. Abdruck Aus Den Astr. Nachr. Bd. 146.
. 1894. “Forms Of Jupiter's Satellites”. Popular Astronomy. Popular Astronomy.
. 1894. “Gegenschein Observations”.
. 1910. “Halleys Comet”. Tucson Citizen. Tucson Citizen.
. 1882.
. 1923. “Historical Address”.
. 1895. “How Tall We Are”. Coconino Sun. Coconino Sun.
. 1900. “A Hypothesis Regarding The Surface Markings Of Jupiter”. Popular Astronomy (No. 79). Popular Astronomy .
. 1907. “The Illusions Of Vision And The Canals Of Mars”. Popular Science Monthly. Popular Science Monthly.
. 1892. “Indications Of A Rainy Period In Southern Peru”. Science. Science.
. 1978. “The Infatigable Astronomer”. The Journal Of Arizona History. The Journal Of Arizona History.
. 1931. “La Chronologie Des Pueblos”. Revue Archaeologique. Revue Archaeologique.
. 1892. “La Inundacion De 1868”. El Cosmos. El Cosmos.
. 1885. “The Lowell Observatory And Its Work”. Popular Astronomy. Popular Astronomy.
. 1897. “The Lowell Observatory In Mexico”. Popular Astronomy. Popular Astronomy.
. 1898. “The Markings On Venus”. Monthly Notices Of The Royal Astronomical Society LVIII (No. 78). Monthly Notices Of The Royal Astronomical Society.
. 1899. “Mars.”.
. 1907. “Is Mars Inhabited?”. The Harvard Illustrated Magazine Vol. VIII (No. 6). The Harvard Illustrated Magazine.
. 1914. “A Method Of Estimating Rainfall By The Growth Of Trees”. Bulletin Of The American Geographic Society XLVI. Bulletin Of The American Geographic Society.
. 1900. “The Missing November Meteor”. The Coconino Sun. The Coconino Sun.

]