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$24.95 
African American Inventors... |
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$23.95
Black Stars: African American... |
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$7.95
100 African-Americans Who... |
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$12.00
Garrett Augustus Morgan:... |
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$13.83
Black Inventors, Crafting... |
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$6.95
Black Pioneers of Science and... |
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$14.98
Black Inventors (American... |
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$6.68
George Washington Carver:... |
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