@article {643,
	title = {Drawings of a Comet},
	volume = {XVIII},
	year = {1910},
	keywords = {comet, Douglass, drawing, popular astronomy},
	author = {Douglass, A.E.}
}
@article {796,
	title = {El Cometa de Halley},
	year = {1910},
	note = {This title is available through the Tree Ring Laboratory; please contact the lab for more information. },
	address = {Tucson},
	keywords = {astronomy, comet, Douglass, espanol, halley, historic, newspaper, spanish, tucson},
	author = {Douglass, A.E.}
}
@article {797,
	title = {Halleys Comet},
	year = {1910},
	note = {This title is available through the Tree Ring Laboratory; please contact the lab for more information. },
	address = {Tucson},
	keywords = {astronomy, comet, Douglass, Halleys, historic, newspaper, tucson},
	author = {Douglass, A.E.}
}
