Keys to identification of families and genera of insects ...

Vol. IV has title: Literature to the orders, families, genera, and species of insects and medical entomology.

The fleas of North America : classification, identification, and geographic distribution of these injurious and disease-spreading insects /

Contribution from Bureau of Entomology and Plant Quarantine.

The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history,

Bibliography: p. 466-474.