Showing 1 - 4 results of 4 for search 'Hayden, Robert C.', query time: 0.14s Refine Results
  1. 1
    Seven Black American scientists /
    by Hayden, Robert C.
    Published 1970
    Map Book
  2. 2
    7 African-American scientists /
    by Hayden, Robert C.
    Published 1992
    Book
  3. 3
    9 African-American inventors /
    by Hayden, Robert C.
    Published 1992
    Book
  4. 4
    11 African-American doctors /
    by Hayden, Robert C.
    Published 1992
    Book
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