 | Synopsis of Nearctic Ichneumoninae Stenopneusticae with Reference to the Northeastern Region (Hymenoptera). Part I. Introduction, Key to Nearctic Genera of Ichneumoninae Stenopneusticae, and Synopsis of the Protichneumonini North of Mexico | Monograph |
 | Synopsis of Nearctic Ichneumoninae Stenopneusticae with Reference to the Northeastern Region (Hymenoptera). Part II: Synopsis of the Ichneumonini: Genera Orgichneumon, Cratichneumon, Homotherus, Aculichneumon, Spilichneumon. | Monograph |
 | Synopsis of Nearctic Ichneumoninae Stenopneusticae with Reference to the Northeastern Region (Hymenoptera). Part III. Synopsis of the Ichneumonini: Genera Ichneumon and Thyrateles | Monograph |
 | Synopsis of Nearctic Ichneumoninae Stenopneusticae with Reference to the Northeastern Region (Hymenoptera). Part IV: Synopsis of the Ichneumonini: Genera Chasmias, Neamblymorpha, Anisopygus, Limerodops, Eupalamus, Tricholabus, Pseudamblyteles, Eutanyacra, Ctenichneumon, Exephanes, Ectopimorpha, Pseudoamblyteles | Monograph |
 | A Revision of the Genus Sepedophilus Gistel (Coleoptera: Staphylinidae) of America North of Mexico | Monograph |
 | A Revision of the North American Omaliinae (Coleoptera: Staphylinidae): 1. The Genera Haida Keen, Pseudohaida Hatch, and Eudectoides New Genus: 2. The Tribe Coryphiini | Monograph |
 | A Revision of the Genus Tachyporus Gravenhorst (Coleoptera: Staphylinidae) of North and Central America | Monograph |
 | A Revision of the Genus Lordithon Thomson of North America (Coleoptera: Staphylinidae) | Monograph |
 | A Revision of the Genus Aleochara Gravenhorst of America North 0f Mexico (Coleoptera: Staphylinidae:Aleocharinae) | Monograph |
 | A Revision of the Genera Mycetoporus Mannerheim and Ischnosoma Stephens (Coleoptera: Staphylinidae: Tachyporinae) of North and Central America | Monograph |
 | Review of the Family Hydrophilidae of Canada and Alaska (Coleoptera) | Monograph |
 | Revision of the Subfamily Xantholininae of America North of Mexico (Coleoptera: Staphylinidae) | Monograph |
 | Revision of the Tribe Quediini of America North of Mexico (Coleoptera: Staphylinidae) | Monograph |
 | The Geotrupinae Of North And Central America | Monograph |
 | The Muscidae of Northern Canada, Alaska and Greenland (Diptera) | Monograph |
