Mechanization and the use of labor on farms
Subtitle: tables and charts presented by Sherman E. Johnson, and R.S. Kifer, Division on Farm Management and Costs, Bureau of Agricultural Economics, at the Hearings before the Civil Liberties Committee, May 10, 1940 ...
Published: 1940
Place of publication: Washington]
Language: eng
Number of pages: 15
Subjects: Farm equipment; Agricultural laborers
Notes: Also available on the Internet.