BioStor
 | Nearctic wasps of the subfamilies Pepsinae and Ceropalinae H Townes (1957) Bulletin of the United States National Museum 209: 1-286 |
 | The genus Stizoides (Hymenoptera: Sphecidae: stizini) in North America, with notes on the Old World fauna J E Gillaspy (1963) Bulletin of The Museum of Comparative Zoology 128: 369-391 |
 | Review of the genus Cerceris in America north of Mexico (Hymenoptera: Sphecidae) (1965) Proceedings of The United States National Museum 116: 333-548 |