Two trends of great agriculturel significance
By: by O.E. Baker
Series: Extension Service circular -- 306; Extension Service circular -- 306.
Publisher: U.S. Dept. of Agriculture, Federal Extension Service?]
Published: 1939
Place of publication: [Washington, D.C.?
Language: eng
Number of pages: 19
Subjects: Farmers; Economic conditions; Human Fertility; Statistics; Farm tenancy
Notes: Includes bibliographical references.