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Abolitionists and working-class problems in the age of industrialization
Fladeland, Betty, (1984)
Between slavery and free labor : The Spanish-speaking Caribbean in the nineteenth century; [based on papers pres. at the Conference on Problems of Transition from Slavery to Free Labor in the Caribbean, Santo Dominigo, June 11-13, 1981]
Moreno Fraginals, Manuel, (1985)
Antislavery reconsidered : new perspectives on the abolitionists
Perry, Lewis, (1979)