Columbia subject headings:
Education--United States--History--19th century.
Women pioneers--United States--History--19th century.
Women teachers--United States--History--19th century.
Harvard subject headings:
Education--United States--History--19th century
Women pioneers--United States--History--19th century.
Women teachers--United States--History--19th century.
Princeton subject headings:
Education--United States--History--19th century.
Women pioneers--United States--History--19th century.
Women teachers--United States--History--19th century.