At last recognition in America : a reference handbook of unknown Black inventors and their contributions to America /
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| Format: | Book |
| Language: | English |
| Published: |
Chicago :
B.C.A. Pub. Corp.,
[1978]
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| Item Description: | Includes index. |
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| Physical Description: | 1 volume : illustrations ; 27 cm. |
| ISBN: | 093156400X |