<style face="normal" font="default" size="100%">A.E. Douglass and the Canals of Mars</style>

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<style face="normal" font="default" size="100%">A.E. Douglass and the Canals of Mars</style>

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<style face="normal" font="default" size="100%">The Infatigable Astronomer</style>

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<style face="normal" font="default" size="100%">History of Droughts in Washington State</style>

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<style face="normal" font="default" size="100%">Precision of Ring Dating in Tree-Ring Chronologies</style>

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<style face="normal" font="default" size="100%">Researches in Dendrochronology</style>

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<style face="normal" font="default" size="100%">Tree Rings and Climatic Cycles, Laboratory of Tree-Ring Research, Astronomical Studies</style>

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<style face="normal" font="default" size="100%">Crossdating at Mesa Verde National Park</style>

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<style face="normal" font="default" size="100%">Crossdating in Dendrochronology</style>

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<style face="normal" font="default" size="100%">Tree Rings Nature's Calendar for the Archaeologist</style>

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<style face="normal" font="default" size="100%">Tree Rings and Chronology</style>

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<style face="normal" font="default" size="100%">Evidences of Cycles in Tree Ring Records</style>

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<style face="normal" font="default" size="100%">Tree Growth and Climatic Cycles</style>

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<style face="normal" font="default" size="100%">Tree Growth and Solar Cycles</style>

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<style face="normal" font="default" size="100%">Trees and Droughts in Arizona</style>

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<style face="normal" font="default" size="100%">Reports on the Conferences of Cycles</style>

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<style face="normal" font="default" size="100%">Solar Records in Tree Growth</style>

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<style face="normal" font="default" size="100%">Two Sciences</style>

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<style face="normal" font="default" size="100%">The Significance of Honor Societies </style>

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<style face="normal" font="default" size="100%">Historical Address</style>

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<style face="normal" font="default" size="100%">Dating Our Prehistoric Ruins</style>

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<style face="normal" font="default" size="100%">Evidence of Climatic Effects in the Annual Rings</style>

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<style face="normal" font="default" size="100%">The Steward Observatory of the University of Arizona</style>

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<style face="normal" font="default" size="100%">Climatic Records in the Trunks of Trees</style>

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<style face="normal" font="default" size="100%">The Callendar Sunshine Recorder and Some of the World-Wide Problem to Which This Instrument Can Be Applied</style>

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<style face="normal" font="default" size="100%">Address at High School on Halleys Comet</style>

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<style face="normal" font="default" size="100%">El Cometa de Halley</style>

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<style face="normal" font="default" size="100%">Halleys Comet</style>

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<style face="normal" font="default" size="100%">Weather Cycles in the Growth of Big Trees</style>

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<style face="normal" font="default" size="100%">Physical Geography</style>

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<style face="normal" font="default" size="100%">Altitudes and Locations</style>

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<style face="normal" font="default" size="100%">The Missing November Meteor</style>

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<style face="normal" font="default" size="100%">The First Satellite of Jupiter</style>

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<style face="normal" font="default" size="100%">Present Rotation Period of the First Satellite of Jupiter and Its Change in Form and Period Since 1892</style>

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<style face="normal" font="default" size="100%">Drawings of Jupiter's Third Satellite</style>

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<style face="normal" font="default" size="100%">The Lowell Observatory in Mexico</style>

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<style face="normal" font="default" size="100%">Projections on the Terminator of Mars and Martian Meteorology</style>

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<style face="normal" font="default" size="100%">How Tall We Are</style>

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<style face="normal" font="default" size="100%">Indicacinoes sobre un period lluvioso en el Sur del Peru</style>

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<style face="normal" font="default" size="100%">Indications of a Rainy Period in Southern Peru</style>

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<style face="normal" font="default" size="100%">Halo on September 2</style>

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<style face="normal" font="default" size="100%">Dendrochronology and Studies in Cyclics</style>

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<style face="normal" font="default" size="100%">Dendrochronology and Studies in Cyclics</style>

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<style face="normal" font="default" size="100%">Tree Ring Dates and Dating of Southwestern Prehistoric Ruins</style>