BioStor
 | Bibliographical notice (1918) Annals And Magazine of Natural History 2: 390-392 |
 | Descriptions and records of bees, lxxx (1918) Annals of Natural History London 2: 384-390 |
 | The bees of the Rooky mountain national park (1919) Entomological News Philadelphia 30: 286-294 |
 | Ecological-behavioral studies of the wasps of Jackson Hole, Wyoming H E Evans (1970) Bulletin of The Museum of Comparative Zoology 140: 451-511 |