Columbia subject headings:
Keckley, Elizabeth, approximately 1818-1907.
Lincoln, Abraham, 1809-1865.
Lincoln, Mary Todd, 1818-1882.
Slaves--United States--Biography.
Harvard subject headings:
African American women--Biography
Keckley, Elizabeth, approximately 1818-1907
Lincoln, Abraham, 1809-1865
Lincoln, Abraham, 1809-1865--Relations with African Americans.
Lincoln, Mary Todd, 1818-1882--Relations with African Americans.
Lincoln, Mary Todd, 1818-1882.
Slaves--United States--Biography
Women slaves--United States--Biography.
Princeton subject headings:
Keckley, Elizabeth, 1824-1907.
Lincoln, Abraham, 1809-1865.
Lincoln, Mary Todd, 1818-1882.
Slaves--United States--Biography.