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Question box : answers from scientists of the U.S. Department of Agriculture
Arid agriculture; a hand-book for the western farmer and stockman
Elements of agriculture: for the use of primary and secondary schools
Correlating agriculture with the public school subjects in the northern states
Centennial Year (1792-1892) of the Massachusetts Society for Promoting Agriculture
Bibliography of forest disease research in the Department of Agriculture
World's Columbian exposition, Department of agriculture. Special rules and information
Lectures on the applications of chemistry and geology to agriculture
Butterflies and moths in their connection with agriculture and horticulture
Report of the Scottish Commission on Agriculture to Canada, 1908