Most Popular Books
- A Study of the Classification of the More Primitive Non-Parasitic Anthophorine Bees: Hymenoptera, Apoidea
- Comparative Morphological And Systematic Studies Of Bee Larvae With A Key To The Families Of Hymenopterous Larvae
- Genus-group names of bees and supplemental family-group names
- Bees of Panama: American Museum of Natural History, V104