"Contribution from the Office of Public Roads and Rural Engineering."Cover title.Includes bibliographical references.Mode of access: Internet
Cover title."Contribution from the Bureau of Plant Industry and the Bureau of Animal Industry."Mode ...
Contribution from Bureau of Agricultural Engineering.Cover title.Includes bibliographical references...
Supersedes Farmers' bulletin 1404."Contribution from the Soil Conservation Service."Cover title.Incl...
Cover title."Joint contribution from the Office of Farm Management and Farm Economics, and the Burea...
Cover title."Issued Jun. 30, 1916; rev. Oct., 1917."Includes bibliographical references."Contributio...
Caption title.Contribution from Office of Public Roads and Rural Engineering.Mode of access: Interne...
Cover title.Includes bibliographical references (p. 45-48).Mode of access: Internet
"Contribution from the Office of Farm Management."Cover title.Includes bibliographical references.Mo...
"Adapted from a lecture prepared for the Illinois corn growers and stockmen's convention, 1908."Cove...
Cover title.Prepared in Production Economics Research Branch, Agricultural Research Service, U.S. De...
Caption title."Contribution from Extension Service."Includes bibliographical references.Mode of acce...
Caption title."Contribution from Bureau of Agricultural Economics."Includes bibliographical referenc...
Cover title.Contribution from Bureau of Agricultural Engineering.Mode of access: Internet
"Contribution from the Office of Farm Management."Cover title.Bibliography: p. 35.Mode of access: In...
Caption title."Contribution from Bureau of Agricultural Economics."Includes bibliographical referenc...
Cover title."Contribution from the Bureau of Plant Industry and the Bureau of Animal Industry."Mode ...
Contribution from Bureau of Agricultural Engineering.Cover title.Includes bibliographical references...
Supersedes Farmers' bulletin 1404."Contribution from the Soil Conservation Service."Cover title.Incl...
Cover title."Joint contribution from the Office of Farm Management and Farm Economics, and the Burea...
Cover title."Issued Jun. 30, 1916; rev. Oct., 1917."Includes bibliographical references."Contributio...
Caption title.Contribution from Office of Public Roads and Rural Engineering.Mode of access: Interne...
Cover title.Includes bibliographical references (p. 45-48).Mode of access: Internet
"Contribution from the Office of Farm Management."Cover title.Includes bibliographical references.Mo...
"Adapted from a lecture prepared for the Illinois corn growers and stockmen's convention, 1908."Cove...
Cover title.Prepared in Production Economics Research Branch, Agricultural Research Service, U.S. De...
Caption title."Contribution from Extension Service."Includes bibliographical references.Mode of acce...
Caption title."Contribution from Bureau of Agricultural Economics."Includes bibliographical referenc...
Cover title.Contribution from Bureau of Agricultural Engineering.Mode of access: Internet
"Contribution from the Office of Farm Management."Cover title.Bibliography: p. 35.Mode of access: In...
Caption title."Contribution from Bureau of Agricultural Economics."Includes bibliographical referenc...
Cover title."Contribution from the Bureau of Plant Industry and the Bureau of Animal Industry."Mode ...
Contribution from Bureau of Agricultural Engineering.Cover title.Includes bibliographical references...
Supersedes Farmers' bulletin 1404."Contribution from the Soil Conservation Service."Cover title.Incl...