@article {1779,
	title = {Studies on Virginian triclads},
	journal = {Journal Elisha Mitchell Scientific Society},
	volume = {51},
	year = {1935},
	pages = {79-133},
	url = {http://dc.lib.unc.edu/cdm/ref/collection/jncas/id/1631},
	author = {Roman Kenk}
}
@article {714,
	title = {Prodromus descriptionis animalium evertebratorum, quae in Expeditione ad Oceanum, Pacificum Septentrionalem a Republica Federata missa, Johanne Rodgers Duce, observavit et descripsit. Pars. I. Turbellaria Dendrocoela},
	journal = {Proceedings of the Academy of Natural Sciences of Philadelphia},
	volume = {9},
	year = {1857},
	pages = {19-31},
	url = {http://www.biodiversitylibrary.org/item/84745$\#$page/33/mode/1up},
	author = {W. Stimpson}
}
@article {351,
	title = {The fresh-water triclads of Michigan},
	journal = {Miscellaneous publications / University of Michigan, Museum of Zoology},
	volume = {60},
	year = {1944},
	pages = {1-44},
	url = {http://deepblue.lib.umich.edu/bitstream/handle/2027.42/56305/MP060.pdf?sequence=1},
	author = {Roman Kenk}
}
