… “Field Ghosts:How the American Farmworker Fought Migrant Slavery, then Lost to H2A, 1975-1990” … GLC Brown Bag: Karin … “Field Ghosts:How the American Farmworker Fought Migrant Slavery, then Lost to H2A, 1975-1990” GLC Brown Bag: Karin … Gilder Lehrman Center 203.432.9238 gilder.lehrman.center@yale.edu 230 Prospect Street (PROS230 ), 101 230 Prospect …