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Filters: First Letter Of Title is E and Author is Douglass, A.E. [Clear All Filters]
“Evidence Of Climatic Effects In The Annual Rings”. Ecology 1 (No. 1). Ecology.
. 1920. 
“El Cometa De Halley”. Tucson Citizen. Tucson Citizen.
. 1910. “The Effects Of Mountains On The Quality Of The Atmosphere”. Popular Astronomy . Popular Astronomy .
. 1899. 
“Evidences Of Cycles In Tree Ring Records”. Proceedings Of The National Academy Of The Sciences. Proceedings Of The National Academy Of The Sciences.
. 1933. 