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Materias dentro de su búsqueda.
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1Publicado 1951Washington, D.C. : American Federation of Labor, 1951.1 v. : ill.Materias: “...American Federation of Labor Periodicals....”
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2[Washington, D.C., etc.], [American Federation of Labor and Congress of Industrial Organizations, etc.]83 volumes illustrations, plates, portraits. 26-28 cm.Also issued online.Materias: “...Labor unions Periodicals....”
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3Publicado 1921Washington, D.C. : American Federation of Labor, 1921-1950.30 v. : ill.Materias: “...American Federation of Labor Periodicals....”
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4Publicado 1967[Washington, D.C.] : Microfilmed by Library of Congress, Photoduplication Service, 1967.355 letterpress volumes (ca. 172, 000 letters) on 343 reels ; 35 mm.Materias: “...Labor leaders United States Correspondence....”