Oversight on issues affecting Hispanics and migrant and seasonal farmworkers : hearing before the Subcommittee on Employment, Poverty, and Migratory Labor of the Committee on Labor and Human Resources, United States Senate, Ninety-sixth Congress, second session, on examination on whether and to what extent existing federal programs affectively and efficiently meet the needs of Hispanics and migrant and seasonal farmworkers, Milwaukee, Wis., September 6, 1980.