Most Popular Books
- Revision of the parasitic hymenopterous insects of the genus Aphycus Mayr, with some notice of relat
- Revision Of The Parasitic Hymenopterous Insects Of The Genus Aphycus Mayr: With Some Notice Of Related Genera
- Bees of the Genus Perdita Smith in the American Museum of Natural History: American Museum Novitates, No. 321, July 12, 1928
- New Genera and Species of Encyrtinae from California Parasitc in Mealybugs (Hypmenoptera)
