Area variations in the wages of agricultural labor in the United States /

Includes bibliographical references.

History and status of the green peach aphid as a pest of tobacco in the United States /

Includes bibliographical references (p. 10-12).

Classification of barley varieties grown in the United States and Canada in 1958 /

"Supersedes Technical bulletin no. 907, Classification of barley varieties grown in the United States and Canada in 1945."

Sugar beet yellows disease in the United States /

Literature cited: p. 60-63.

The tenure status of farmworkers in the United States /

Literature cited: p. 76-80.

The demand for textile fibers in the United States /

Includes bibliographical references (p. 101-105).

Stem sawflies of economic importance in grain crops in the United States,

"Literature cited": p. 37-50.

Forest taxation in the United States.

Contribution from Forest service.

A graphic summary of physical features and land utilization in the United States /

"Issued May 1937."

Housing requirements of farm families in the United States /

"February 1939."

Are we well fed? : a report on the diets of families in the United States /

Includes bibliographical references (p. 28).

Eradication of the Parlatoria date scale in the United States /

Caption title.

Physiologic races of Puccinia recondita f. sp. tritici in the United States from 1926 through 1960

Bibliography: p. 18.

A revision of the genus Petalium LeConte in the United States, Greater Antilles, and the Bahamas (Coleoptera:Anobiidae) /

Includes bibliographical references (p. 35).

Seed characteristics of 42 economically important species of Solanaceae in the United States /

Bibliography: p. 31-32.