Black pioneers of science and invention /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
San Diego :
Harcourt Brace Jovanovich,
[1991], c1970.
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| Subjects: | |
| Online Access: | http://www.loc.gov/catdir/description/har021/91008923.html http://www.loc.gov/catdir/enhancements/fy0714/91008923-b.html |