Columbia subject headings:
Abolitionists--United States--Biography.
African American women abolitionists--Biography.
Antislavery movements--United States.
Biographies.
Enslaved persons--United States--Biography.
Tubman, Harriet, 1822-1913.
Underground Railroad.
Harvard subject headings:
Abolitionists--United States--Biography
African American women abolitionists--Biography.
Antislavery movements--United States
Biographies
Slaves--United States--Biography
Tubman, Harriet, 1822-1913
Underground Railroad
Princeton subject headings:
African American women--Biography.
Antislavery movements--History--19th century.
Slaves--United States--Biography.
Tubman, Harriet, 1822-1913.
Underground Railroad.