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Kee ihu a "List of inventors" na wiki a! Leekwa ndị ọzọ ihe i chọrọ wepụtara.
Heritage Foundation. Retrieved on 22 March 2014. The Complete List of Genius Black Inventors, Scientists and Engineers That Changed the World (en-US)....10 KB (mkpurụ edemede 1,077) - 04:08, 9 Disemba 2023
University of Iowa College of Engineering. Archived from the original on 2015-02-24. Retrieved on 2016-08-03. (August 28, 2015) "Inventors & Inventions"...14 KB (mkpurụ edemede 1,420) - 21:13, 6 Ọktoba 2023
