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其他書名
American Mathematician and Astronomer
出版Chelsea House Publishers, 2000
主題Juvenile Nonfiction / History / United States / General
ISBN07910534829780791053485
URLhttp://books.google.com.hk/books?id=DehZtQAACAAJ&hl=&source=gbs_api
註釋A biography of the eighteenth-century African American who taught himself mathematics and astronomy and helped survey what would become Washington, D.C.