BioStor
 | A catalogue and reclassification of the Nearctic Ichneumonidae (Hymenoptera). Part I Henry K Townes (1944) Memoirs of The American Entomological Society 11(1): 1-477 |
 | A catalogue and reclassification of the Nearctic Ichneumonidae (Hymenoptera). Part II. The subfamilies Mesoleiinae, Plect-iscinae, Orthocentrinae, Diplazoninae, Metopiinae, Ophioninae, Mesochorinae Henry K Townes (1945) Memoirs of The American Entomological Society 11(2): 479-925 |
 | Preliminary annotated list of the wasps of Lost River State Park, West Virginia, with descriptions of new species and biological notes (Hymenoptera, Aculeata) (1952) Proceedings of The Entomological Society of Washington 54: 175-184 |
 | Natural history of Plummers Island, Maryland XVII. Annotated list of the wasps (Hymenoptera: Bethyloidea, Scolioidea, Vespoidea, Pompiloidea, Sphecoidea) K V Krombein (1963) Proceedings of The Biological Society of Washington 76: 255-280 |