The North and Central American species of Meibomeus (Coleoptera: Bruchidae: Bruchinae) /

Cover title.

Biosystematics of the first-stage larvae of some North American Bruchidae (Coleoptera) /

Includes appendix.

Seeds and fruits of North American papaveraceae /

Includes index.

The North American species of Forcipomyia, subgenus Euprojoannisia (Diptera: ceratopogonidae) /

Issued Dec. 1978.

Probable evolution and morphological variation in South American Disonychine flea beetles (Coleoptera: chrysomelidae) and their amaranthaceous hosts /

Issued June 1979.

Classification of the Dermestidae (larder, hide, and carpet beetles) based on larval characters : with a key to the North American genera /

Contribution from Bureau of Entomology and Plant Quarantine.

What peace can mean to American farmers : maintenance of full employment.

Cover title.

The North American species of whiteflies of the genus Trialeurodes /

Includes indexes.

What peace can mean to American farmers : expansion of foreign trade.

"Issued October 1945."

What peace can mean to American farmers : agricultural policy.

"Issued December 1945."

Our American land : the story of its abuse and its conservation /

"Issued May 1946 ; Slightly rev. Apr. 1948."

Changes in American farming /

Revision of a summary report issued in processed form in June 1946 under title: Changes in farming in war and peace.

American farming : an introduction for young people.

"Issued November 1956."

Products of American forests /

Cover title.

Products of American forests /

Mode of access: Internet.