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 |
 | Revisional notes on the types of Ichneumoninae of Cresson, Cushman, Ash-mead and others (1959) Entomological News Lancaster 70: 205-217 |