"JUVENILE NONFICTION / History / United States / 20th Century" . . "JUVENILE NONFICTION / Biography & Autobiography / Cultural Heritage" . . "JUVENILE NONFICTION / Biography & Autobiography / Science & Technology" . . "JUVENILE NONFICTION / History / United States / 19th Century" . . . . "Brography." . . . . . . "Harriet Tubman and the Underground Railroad" . . . . . "Electronic books" . . . . . . . . . "Juvenile works" . . "Biography" . . . "Harriet Tubman"@en . "Juvenile works"@en . "Harriet Tubman" . . . . . . . "A comprehensive introduction to the life and achievements of the heroic former slave details how after managing her own escape, Harriet Tubman returned thirteen times to guide other slaves to freedom along the Underground Railroad, in a portrait that also relates her subsequent contributions as a wartime cook, nurse, spy, and suffragist." . . . . . "JUVENILE NONFICTION / History / United States / Civil War Period (1850-1877)" . . "JUVENILE NONFICTION / Biography & Autobiography / Women" . .