Columbia subject headings:
African Americans--Biography.
Dubois, Silvia, 1788 or 1789-1889.
English language--Phonetic transcriptions.
Slaves--United States--Biography.
Harvard subject headings:
African Americans--Biography
Dubois, Silvia, 1788 or 1789-1889.
English language--Phonetic transcriptions
Slaves--United States--Biography
Women slaves--United States--Biography.
Princeton subject headings:
African Americans--Biography.
Dubois, Silvia, 1788 or 1789-1889.
English language--Phonetic transcriptions.
Slaves--United States--Biography.