Union Resilience in Troubled Times The Story of the Operating Engineers, AFL-CIO, 1960-93: The Story of the Operating Engineers, AFL-CIO, 1960-93 (Labor and Human Resources) by Professor Garth L. Mangum, Jack Walsh, John Walsh Hardcover, 272 Pages, Published 1994 by Routledge ISBN-13: 978-1-56324-452-0, ISBN: 1-56324-452-7
Union Resilience in Troubled Times(1st Edition) The Story of the Operating Engineers, AFL-CIO, 1960-93: The Story of the Operating Engineers, AFL-CIO, 1960-93 (Labor and Human Resources) by Garth L. Mangum, John Walsh, Jack Walsh Paperback, 296 Pages, Published 1994 by Routledge ISBN-13: 978-1-56324-453-7, ISBN: 1-56324-453-5