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 |
 | Aquatic insects in the Adirondacks J G Needham and C Betten (1901) Bulletin of the New York State Museum 47: 383-612 |
 | Descriptions of five new parasitic Hymenoptera W H Ashmead (1901) Bulletin of the New York State Museum 47: 586-589 |
 | Type species of the genera of ichneumon flies H L Viereck (1914) Bulletin of the United States National Museum 83: 1-186 |