by United States. Department of Agriculture. Office of the Secretary
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The agricultural situation for 1918
The Agricultural situation for 1918
Packers and Stockyards Act, 1921
Amendment to regulations for the enforce...
The proposed Food and agriculture act of...
Earl L. Butz, Assistant Secretary of Agr...
Insect herbivore-host dynamics
Plant-Provided Food for Carnivorous Inse...
Pesky critters!
Insects affecting domestic animals
Imperfect Creatures
Insects and allied parasites injurious t...