@article {1498,
	title = {Catalog der Conchylien-Sammlung des Naturhistorischen Museum zu Wiesbaden},
	journal = {Jahrb{\"u}cher des Nassauischen Vereins f{\"u}r Naturkunde},
	volume = {44},
	year = {1891},
	pages = {17-194},
	chapter = {17},
	url = {http://www.biodiversitylibrary.org/page/7265035$\#$page/179/mode/1up},
	author = {R{\"O}MER}
}
@article {moellendorff1891land,
	title = {On the Land and Freshwater Shells of Perak.},
	journal = {Proceedings of the Zoological Society of London},
	volume = {59},
	number = {3},
	year = {1891},
	pages = {330{\textendash}348},
	publisher = {Wiley Online Library},
	url = {http://www.biodiversitylibrary.org/item/99645$\#$page/477/mode/1up},
	author = {Moellendorff, O.P.}
}
@article {1478,
	title = {Proceedings: Ordinary Meeting, January 19th, 1891.},
	journal = {Memoirs and proceedings of the Manchester Literary \& Philosophical Society},
	volume = {4},
	year = {1891},
	pages = {179},
	chapter = {179},
	url = {http://www.biodiversitylibrary.org/page/35486497$\#$page/195/mode/1up},
	author = {Manchester-Literary-and-Philosophical-Society}
}
