Columbia subject headings:
Antislavery movements--United States.
Slaves--United States--Biography.
Ward, Samuel Ringgold, 1817-1866.
Harvard subject headings:
Antislavery movements--United States
Princeton subject headings:
Antislavery movements--Canada.
Antislavery movements--Great Britain.
Antislavery movements--United States.
Ward, Samuel Ringgold, 1817-1866--Biography.