Swine production /
Russell, Ellsworth Zouave
Swine production / E.Z. Russell ; U.S. Department of Agriculture - Washington : U. S. Govt. print off., 1928. - 30 p. illus. 24 cm. - Farmers' bulletin No. 1437 .
Swine
Swine production / E.Z. Russell ; U.S. Department of Agriculture - Washington : U. S. Govt. print off., 1928. - 30 p. illus. 24 cm. - Farmers' bulletin No. 1437 .
Swine