@article {60605,
	title = {The insects of the Tertiary beds at Quesnel (British Columbia)},
	journal = {Rept Prog. Geol. Surv. Canada},
	volume = {1875-1876},
	year = {1877},
	pages = {66-280},
	author = {Scudder, Samuel H.}
}
@book {23014,
	title = {Enumeratio Insectorum Norvegicorum. Fasc. IV. Catologum Dipterorum Continentum},
	volume = {8?},
	year = {1877},
	pages = {xiv+255, map},
	abstract = {Mycetophilidae pp. 210-250},
	author = {Siebke, H. and Schneider, J. and Sparre, J.}
}
@book {23253,
	title = {Diptera Neerlandica. De Tweevleugelige Insecten van Nederland},
	volume = {1},
	year = {1877},
	pages = {xviii + 497 pp},
	publisher = {Martinus Nijhoff},
	organization = {Martinus Nijhoff},
	address = {s{\textquoteright}Gravenhage},
	author = {Wulp, F. M. van der}
}
@article {22714,
	title = {Western Diptera: Description of new genera and species of Diptera from the region west of the Misssssipi and especially from California},
	journal = {U.S. Geological Survey bulletin},
	volume = {3},
	number = {Bull. 2, A},
	year = {1877},
	pages = {189-354},
	author = {Osten-Sacken, C. R.}
}
@article {22950,
	title = {XXIX. The first discovered traces of fossil insects in the American Tertiaries},
	journal = {U.S. Geological Survey bulletin},
	volume = {3},
	number = {4},
	year = {1877},
	pages = {741-762},
	author = {Scudder, Samuel H.}
}
