@article {793,
	title = {Address at High School on Halleys Comet},
	year = {1910},
	note = {This title is available through the Tree Ring Laboratory; please contact the lab for more information. },
	address = {Tucson},
	keywords = {address, comet, Douglass, Halleys, high school, historic},
	author = {unknown}
}
@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.}
}
