http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
agricultural workers in the Great Lakes region, 1917-1970
ix, 305 pages : illustrations map ; 23 cm.
by Dennis Nodín Valdés ; illustrations by Nora Chapa Mendoza.
Includes bibliographical references and index.