Farmers in a changing world /
Farmers in a changing world /
United States Department of Agriculture.
- Washington : U. S. Govt. Print. Off., 1940.
- xii, 1215 p. : ill. ; 24 cm.
Includes index.
Agriculture--History.--United States
Agriculture and state--United States.
630.973 / UNF 1940
Includes index.
Agriculture--History.--United States
Agriculture and state--United States.
630.973 / UNF 1940