Grade
4-6
Aaron E. Klein
The Hidden Contributors: Black Scientists and Inventors in America
Hardcover
(Doubleday Oct. 1, 1971)
, First Edition edition
Studies the contributions of black American scientists to such fields as agriculture, engineering, and medicine
- ISBN
- 0385006411 / 9780385006415
- Weight
- 15.2 oz.
- Dimensions
- 8.1 x 5.7 in.
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