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Start Over Subjects Black or African American ✖Remove constraint Subjects: Black or African American Subjects Consanguinity ✖Remove constraint Subjects: Consanguinity Titles The morbid proclivities and retrogressive tendencies in the offspring of mulattoes ✖Remove constraint Titles: The morbid proclivities and retrogressive tendencies in the offspring of mulattoes

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  • The morbid proclivities and retrogressive tendencies in the offspring of mulattoes1