BioStor
 | Classification of the Ichneumon flies, or the superfamily Ichneumonoidea Willam H Ashmead (1900) Proceedings of the U.S. National Museum 23(1206): 1-220 |
 | EXHIBITIONS AND NOTICES (1912) Proceedings of The Zoological Society of London 1912: 1-7 |
 | Type species of the genera of ichneumon flies H L Viereck (1914) Bulletin of the United States National Museum 83: 1-186 |
 | The Ornithological Journals (1915) The Auk 32: 256-261 |
 | Bird parasites of the Nematode suborders Strongylata, Ascaridata, and Spirurata E B Cram (1927) Bulletin of the United States National Museum 140: 1-465 |
 | Revision of the North American species of Ichneumon-flies of the genus Exetastes Gravenhorst R A Cushman (1937) Proceedings of the United States National Museum 84: 243-312 |
 | On the Type Species of Förster's genera (Hymenoptera, Ichneumonidae) J F Perkins (1962) Bulletin of the British Museum (Natural History), Entomology 11: 385-483 |
 | On the type species of Foerster's genera (Hymenoptera: Ichneumonidae) J F Perkins (1962) Bulletin of The British Museum (Natural History) Entomology 11(8): 383-483 |