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Contributions of African American Scientists to the Fields of Science, Medicine, and Inventions / , Robert B. Sanders.

By Sanders, Robert B.. N.Y. : "Nova", 2015 . 1023 p. , Price- 150 L. 9781634836364

By Sanders, Robert B.,. New York : "Nova" Science Publishers, 2010 . 1141 p. ; , Price 100 L 27 cm.. 9781607413196 | 1607413191