@article {790,
	title = {Tree Rings and Climatic Cycles, Laboratory of Tree-Ring Research, Astronomical Studies},
	volume = {XXIV},
	year = {1944},
	publisher = {University of Arizona},
	address = {Tucson},
	keywords = {astronomy, climate, dating, dendrochronology, Douglass, environment, fraternity, historic, tree ring, tree ring laboratory},
	author = {Peterson, Roy M. and Douglass, A.E.}
}
@article {731,
	title = {Tree Growth and Climatic Cycles},
	volume = {XXXVII},
	year = {1933},
	note = {Copies of this are available in the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu},
	keywords = {climate, climatic cycles, Douglass, environment, historic, tree growth, tree rings},
	author = {Douglass, A.E.}
}
@article {788,
	title = {Trees and Droughts in Arizona},
	journal = {Professional Engineer},
	year = {1931},
	note = {This title is available through the Tree Ring Laboratory; please contact the lab for more information. },
	keywords = {climate, dendrochronology, Douglass, droughts, environment, historic, tree, tree ring},
	author = {Douglass, A.E.}
}
@article {780,
	title = {Climate and Trees},
	year = {1928},
	keywords = {climate, climatology, Douglass, environment, tree ring},
	author = {Douglass, A.E.}
}
@article {682,
	title = {Some Aspects of the Use of the Annual Rings in Trees in Climatic Study},
	year = {1922},
	keywords = {annual, climate, climatic study, Douglass, environment, tree rings},
	author = {Douglass, A.E.}
}
@article {683,
	title = {Some Topographic and Climatic Characters in the Annual Ring of the Yellow Pines and Sequoias of the Southwest },
	journal = {Proceedings of the American Philosophical Society},
	volume = {LXI},
	year = {1922},
	keywords = {annual, characteristics, characters, climate, climatic, dates, dating, Douglass, environment, ring, sequoias, southwest, topographic, tree ring, tree rings, yellow pine},
	author = {Douglass, A.E.}
}
@article {781,
	title = {Climatic Records in the Trunks of Trees},
	year = {1917},
	keywords = {climate, climatology, Douglass, environment, historic, tree ring},
	author = {Douglass, A.E.}
}
@article {789,
	title = {Weather Cycles in the Growth of Big Trees},
	year = {1908},
	keywords = {climate, dendrochronology, Douglass, environment, historic, tree ring, weather},
	author = {Douglass, A.E.}
}
@article {798,
	title = {Indications of a Rainy Period in Southern Peru},
	volume = {XX},
	year = {1892},
	keywords = {climate, Douglass, environment, historic, peru, sun spot},
	author = {Douglass, A.E.}
}
@article {806,
	title = {La Inundacion de 1868},
	year = {1892},
	keywords = {astronomy, climate, Douglass, environment, inundacion, spanish},
	author = {Douglass, A.E.}
}
@proceedings {784,
	title = {Dendrochronology and Studies in Cyclics},
	note = {This title is available through the Tree Ring Laboratory; please contact the lab for more information. },
	keywords = {climatology, conference, cyclics, dendrochronology, Douglass, environment, historic, university of Pennsylvania},
	author = {Douglass, A.E.}
}
