- Libro electrónicoAmerican Negro Slavery - A Survey Of The Supply, Employment And Control Of Negro Labor As Determined By The Plantation RegimeUlrich Bonnell Phillips
- Libro electrónicoAmerican Negro SlaveryUlrich Bonnell Phillips
- Libro electrónicoAmerican Negro Slavery A Survey of the Supply, Employment and Control of Negro Labor as Determined by the Plantation RegimeUlrich Bonnell Phillips
- Libro electrónicoAmerican Negro SlaveryUlrich Bonnell Phillips