Changes in technology and labor requirements in crop production:  corn
By: by Loring K. Macy, Lloyd E. Arnold, and Eugene G. McKibben.  Works  Progress Administration, National Research Project.
Contributors: Arnold, Lloyd E., Joint author.; McKibben, Eugene G. 1895-
Series: National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques.  Studies of changing techniques and employment in agriculture.  [Report no. A-5]
Published: 1938
Place of publication: Philadelphia, Pa
Language: eng
Number of pages: 181
Subjects: Corn -- United States; Agricultural laborers -- United States.; Farm mechanization -- United States
Notes: Bibliographical foot-notes.
Photoprinted.
Issued also in Changes in technology and labor requirements in crop production:  corn, cotton, wheat and oats (National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques) [1938-39]