Biblio
. 1906. “Physical Geography”. Tempe Normal School. Tempe Normal School.
. 1923. “Historical Address”.
. 1946. “Precision Of Ring Dating In Tree-Ring Chronologies”. Tree Ring Bulletin XVII (No. 3). Tree Ring Bulletin .
. 1919. “An Automatic Optical Photograph, Abstract”. Publications Of The Astronomical Society Of The Pacific. Publications Of The Astronomical Society Of The Pacific.
. 1929. “Secret Of The Southwest Solved By Talkative Tree Rings ”. National Geographic Magazine. National Geographic Magazine.
. 1901. “Altitudes And Locations”. Coconino Sun. Coconino Sun.
. 1912. “Where-When Did Masonry Originate”. Arizona Daily Star. Arizona Daily Star.
. 1925. “Radio Talks On Science”. Scientific Monthly. Scientific Monthly.
. 1928. “Climate And Trees”. Nature Magazine. Nature Magazine.
. 1903. “A New Almucantar”. Popular Astronomy. Popular Astronomy.
. 1926. “Photograph Of Shadow Bands”. Astrophysical Journal LXIII (No. 3). Astrophysical Journal.
. 1908. “Weather Cycles In The Growth Of Big Trees”. Monthly Weather Review. Monthly Weather Review.
. 1931. “Tree Growth And Solar Cycles”. In Paper Presented At International Research Council. Paper Presented At International Research Council.
. 1907. “Boating Down The Colorado”. University Of Arizona Monthly 8 (No. 1). University Of Arizona Monthly.
. 1923. “University Of Arizona Eclipse Expedition”. Popular Astronomy. Popular Astronomy.
. 1939. “Steward Observatory”. Annual Report Of The University Of Arizona . Annual Report Of The University Of Arizona .
. 1892. “Indications Of A Rainy Period In Southern Peru”. Science. Science.
. 1897. “The Lowell Observatory In Mexico”. Popular Astronomy. Popular Astronomy.
. 1885. “The Lowell Observatory And Its Work”. Popular Astronomy. Popular Astronomy.
. 1931. “La Chronologie Des Pueblos”. Revue Archaeologique. Revue Archaeologique.
. “Dendrochronology And Studies In Cyclics”. University Of Pennsylvania Bicentennial Conference. University Of Pennsylvania Bicentennial Conference.
. 1918. “The Steward Observatory Of The University Of Arizona”. Publications Of The Astronomical Society (No. 178). Publications Of The Astronomical Society.
. 1898. “An Ascent Of Popocatepetl”. Popular Astronomy. Popular Astronomy.

]