@article {20437,
	title = {Neue Schmetterlinge Russlands beschrieben},
	journal = {Bulletin de la Soci{\'e}t{\'e} Imp{\'e}riale des Naturalistes de Moscou},
	volume = {24},
	year = {1851},
	month = {1851},
	pages = {439-446},
	chapter = {439},
	keywords = {CATALOGUE, HYLES, RUSSIA, SPHINGIDAE, WORLDMAP1},
	author = {von Nordmann, A.}
}
@article {18764,
	title = {[Title unknown]},
	journal = {The Family Visitor},
	volume = {v.II 24},
	year = {1851},
	note = {v.II},
	month = {1851},
	pages = {189},
	chapter = {189},
	keywords = {CATALOGUE, INCOMPLETE, SPHINGIDAE},
	author = {Kirtland, J.P.}
}
@article {18765,
	title = {[Title unknown]},
	journal = {The Family Visitor},
	volume = {v.II 33},
	year = {1851},
	note = {v.II},
	month = {1851},
	pages = {261},
	chapter = {261},
	keywords = {AELLOPOS, CATALOGUE, INCOMPLETE, SPHINGIDAE},
	author = {Kirtland, J.P.}
}
@book {18458,
	title = {Lepidopterorum europaeorum catalogus methodicus. Systematisches Verzeichniss der europaeischen Schmetterlinge \%7 3rd},
	year = {1851},
	month = {1851},
	pages = {130},
	publisher = {Julius Kleinhardt},
	organization = {Julius Kleinhardt},
	address = {Leipzig},
	keywords = {CATALOGUE, SPHINGIDAE},
	author = {Heydenreich, G. H.}
}
