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By "Woodruff, Abner. "
Evolution of American agriculture / by Abner Woodruff ; illustrated by Dust.
By: Woodruff, Abner. - Haywood, Big Bill, - Agricultural Workers Industrial Union. - Industrial Workers of the World.
Publication info: [S.l.] :Agricultural Workers Industrial Union, No. 400 I.W.W.,[1919?]
Contributed by: University of Illinois Urbana Champaign