@article {1181,
	title = {A catalogue of the described species of several families of Hymenoptera inhabitating North America.},
	journal = {Proceedings of the Entomological Society of Philadelphia},
	volume = {1},
	year = {1862},
	pages = {202-211},
	author = {E.T. Cresson}
}
@article {1182,
	title = {On the Hymenoptera of Cuba.},
	journal = {Proceedings of the Entomological Society of Philadelphia},
	volume = {4},
	year = {1865},
	pages = {1-200},
	author = {E.T. Cresson}
}
@article {1183,
	title = {Hymenoptera Texana.},
	journal = {Transactions of the American Entomological Society},
	volume = {4},
	year = {1872},
	pages = {153-292},
	author = {E.T. Cresson}
}
@article {1184,
	title = {Notice of three new Hymenopterous parasites.},
	journal = {American Entomologist},
	volume = {3},
	year = {1880},
	pages = {24},
	author = {E.T. Cresson}
}
@article {1185,
	title = {The Cresson types of Hymenoptera.},
	journal = {Memoirs of the American Entomological Society},
	volume = {1},
	year = {1916},
	pages = {1-141},
	author = {E.T. Cresson}
}
