@article {20260,
	title = {Studies of American spermatophytes - II},
	journal = { Contributions from the University of Michigan Herbarium},
	volume = {7},
	year = {1942},
	pages = {3-54},
	chapter = {3},
	url = {http://www.biodiversitylibrary.org/item/46239$\#$page/7/mode/1up},
	author = {Lundell, Cyrus L.}
}
@article {19937,
	title = {Studies in the Lauraceae, V Some Eastern Asiatic species of Beilschmiedia and related genera},
	journal = {Journal of the Arnold Arboretum},
	volume = {23},
	year = {1942},
	pages = {444-463},
	chapter = {444},
	url = {http://www.biodiversitylibrary.org/item/33599$\#$page/466/mode/1up},
	author = {Allen, Caroline K.}
}
