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Industrial slavery in the Old South
Starobin, Robert S., (1970)
The peculiar dissent of the nineteenth-century South
Degler, Carl N., (1968)
The South as a conscious minority, 1789-1861 : a study in political thought
Carpenter, Jesse Thomas, (1963)
The domestic Slave trade of the southern states
Collins, Winfield Hazlitt, (1969)