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Materias dentro de su búsqueda.
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1Publicado 1920Des Moines : State of Iowa, 1920.28 p. : maps ; 23 cm.Materias: “...Agricultural laborers Iowa....”
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2Publicado 1923Oskaloosa, Iowa : The Grange, 1923-v. ; 23 cm.Available on microfilm from the State Historical Society of Wisconsin.Materias: “...Agricultural laborers Labor unions Iowa Congresses....”
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3Publicado 1922Oskaloosa, Iowa : The Grange, -1922.v. ; 20-23 cm.Available on microfilm from the State Historical Society of Wisconsin.Materias: “...Agricultural laborers Labor unions Iowa Congresses....”