1-7 of 7 Books

Bibliography of the more important contributions to American economic entomology
By United States. Bureau of Entomology.

Men who have gone before
By United States. Department of Agriculture. National Agricultural Library.
The papers of Charles Valentine Riley
The papers of Charles Valentine Riley
By Judith Ho
Bibliography of the more important contributions to American economic entomology
Bibliography of the more important contributions to American economic entomology
By United States. Department of Agriculture. Division of Entomology.
Report on the San Jose scale in Maryland, and remedies for its suppression and control
Report on the San Jose scale in Maryland, and remedies for its suppression and control
By Willis Grant Johnson

The papers of Charles Valentine Riley
By Judith Ho