TY - BOOK AU - Ulrich Phillips TI - American Negro Slavery: A Survey of the Supply, Employment and Control of Negro Labor as Determined by the Plantation Regime KW - History & geography UR - https://new.zodml.org/sites/default/files/2023-06/american_negro_slavery_a_survey_of_the_supply_employment_and_control_of_negro_labor_as_determined_by_the_plantation_regime.pdf ER -