History / American History / Photography / 1930s (U.S. history) / Migrant labour / History of photography / The Great Depression of 1930s / Migrant workers / Historia de la fotografía / Migrants / Fotografia / Franklin D. Roosevelt / Migrant Mothers / History of photography / The Great Depression of 1930s / Migrant workers / Historia de la fotografía / Migrants / Fotografia / Franklin D. Roosevelt / Migrant Mothers