Agriculture in the United States; a special report supplementing the exhibit of the United States Department of agriculture at the Ibero-American Exposition, Seville, Spain.
1929
Agriculture in the United States; a special report supplementing the exhibit of the United States Department of agriculture at the Ibero-American Exposition, Seville, Spain.
United States. Department of Agriculture
1929
Prepared by specialists of the United States Department of agriculture in accordance with Section 5 of Public resolution no. 65 of the Sixty-eighth Congress of the United States
