@article {1849,
	title = {North American triclad Turbellaria. 16. Fresh-water planarians from the vicinity of Portland, Oregon},
	journal = {American Museum Novitates},
	year = {1963},
	pages = {1-5},
	url = {http://digitallibrary.amnh.org/handle/2246/3378},
	author = {Libbie H. Hyman}
}
@article {1808,
	title = {Studies on the morphology, taxonomy, and distribution of North American triclad Turbellaria. VI. A new Dendrocoelid from Montana, <i>Dendrocoelopsia vaginatus</i> n. sp.},
	journal = {Transactions of the American Microscopical Society },
	volume = {54},
	year = {1935},
	pages = {338-345},
	author = {Libbie H. Hyman}
}
@article {1771,
	title = {New species of flatworms from North, Central, and South America},
	journal = {Proceedings of the United States National Museum},
	volume = {86},
	year = {1939},
	pages = {419-439},
	url = {http://www.biodiversitylibrary.org/page/7569365$\#$page/507/mode/1up},
	author = {Libbie H. Hyman}
}
