@article {1822,
	title = {North American Triclad Turbellaria XIII. Three new Cave Planarians},
	journal = {Proceedings of the United States National Museum},
	volume = {103},
	year = {1954},
	pages = {563-573},
	url = {http://biostor.org/reference/97202},
	author = {Libbie H. Hyman}
}
@article {1803,
	title = {North American Triclad Turbellaria, 17: Freshwater planarians from Lake Tahoe},
	journal = {Proceedings of the United States National Museum},
	volume = {124},
	year = {1968},
	pages = {1-21},
	url = {http://www.biodiversitylibrary.org/part/10191$\#$/summary},
	author = {Masaharu Kawakatsu}
}
@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}
}
@article {445,
	title = {The fresh-water triclads (Turbellaria) of Alaska},
	journal = {Proceedings of the United States National Museum},
	volume = {103},
	year = {1953},
	pages = {163-186},
	chapter = {163},
	url = {http://www.biodiversitylibrary.org/item/53494$\#$page/193/mode/1up},
	author = {Roman Kenk}
}
