Pedigrees of Negro families / by R. Ruggles Gates.
- Gates, R. Ruggles (Reginald Ruggles), 1882-1962.
- Date:
- 1949
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Pedigrees of Negro families / by R. Ruggles Gates. Source: Wellcome Collection.
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