Hayden, Robert C.7 African-American scientistsFrederick, Md.; Twenty-First Century Books 1992LanguageenglishKeywordsNatural sciencesSchwarzeUSAUniform titleSeven Black American scientistsParallel title7 African-American scientistsAuthority Data (Author)GND: 1174819502VIAF: 273293099Referencesopen
