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Agricultural labor in the United States : , Carroll T. Hart and Virginia M. Armstrong, editors.

N.Y. : "NOVA", 2012 . viii, 146 pages : , Price. 10 L. 24 cm.. 9781622574711 (hardback)

New York : Nova Science, 2009 . xi, 170 p. : , Includes bibliographical references (154-158 p.) and index. 9781607412328 | 1607412322 | 1607412322