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- catalog abstract "This report traces the development and rate of adoption of three important types of farm automotive equipment and analyzes some of their measurable effects on the organization of agriculture and farm labor requirements.".
- catalog alternative "Tractors, trucks, and automobiles".
- catalog contributor b4623969.
- catalog contributor b4623970.
- catalog contributor b4623971.
- catalog contributor b4623972.
- catalog created "1938.".
- catalog date "1938".
- catalog date "1938.".
- catalog dateCopyrighted "1938.".
- catalog description "Includes bibliographical references.".
- catalog description "This report traces the development and rate of adoption of three important types of farm automotive equipment and analyzes some of their measurable effects on the organization of agriculture and farm labor requirements.".
- catalog extent "xv, 114 p.".
- catalog isPartOf "Works Progress Administration. National research project. Studies of changing techniques and employment in agriculture. Report no. A-9".
- catalog issued "1938".
- catalog issued "1938.".
- catalog language "eng".
- catalog publisher "Philadelphia,".
- catalog subject "Agricultural machinery.".
- catalog subject "HD1751 .A1 no. A-9".
- catalog subject "S441 .N3 no. A-9".
- catalog title "Changes in farm power and equipment: tractors, trucks and automobiles, by Eugene G. McKibben and R. Austin Griffin.".
- catalog title "Tractors, trucks, and automobiles".
- catalog type "text".