Hard red winter wheat improvement in the plains : a 20-year summary /

"United States Department of Agriculture in cooperation with the State Agricultural Experiment Stations in Colorado, Iowa, Kansas, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, and Wyoming."

The world wheat outlook, 1930, and facts that farmers should consider /

"August, 1930."

Protein tests for wheat and oil tests for flaxseed and soybeans : importance in production and marketing /

"February, 1932."

A bibliography of plant genetics /

Includes indexes.

Inspection of United States wheat exported through Canadian ports /

Caption title.

The U.S. wheat economy in an international setting : an econometric investigation /

"March 1981"--P. [i]

Technical and economic causes of productivity changes in U.S. wheat production, 1949-76 /

Issued May 1979.

Tree breeding at the Institute of Forest Genetics /

Cover title.

A bibliography on forest genetics and forest trees improvement, 1956-1957 /

Includes index.

Conditioning wheat for milling : a survey of the literature /

Includes bibliographical references (p. 103-147).

A bibliography on forest genetics and forest tree improvement, 1958-59 /

Includes index.