@article {186,
	title = {Ascidians of the West Indian Region and southeastern United States},
	journal = {Bulletin of The American Museum of Natural History},
	volume = {44},
	year = {1921},
	pages = {283-494},
	author = {Van Name, W.G.}
}
@article {353,
	title = {Ascidien vom Westlichen Indischen Ozean aus dem Reichmuseum zu Stockholm},
	journal = {Arkiv foer Zoologi},
	volume = {13},
	number = {23},
	year = {1921},
	pages = {1-25},
	author = {Michaelsen, W.}
}
