Insects in relation to national defense
Subtitle: Devices for insect control
Publisher: U.S. Department of Agriculture, Bureau of Entomology and Plant Quarantine
Published: 1941
Place of publication: Washington, D.C.]
Language: eng
Number of pages: 56
Subjects: Control; Insect pests
Other titles: Devices for insect control
Notes: Cover title.

"August 1941."

Includes bibliographical references (page 56).

Library's copy bound with Circulars 1-19, 21-23.