Columbia subject headings:
Middle class--United States--History.
Sex role--United States--History.
Women--United States--History--19th century.
Women--United States--Social conditions.
Harvard subject headings:
Middle class--United States--History--19th century.
Middle class--United States--History.
Sex role--United States--History
Sex role--United States--History--19th century
United States--History--19th century.
Women--United States--History--19th century.
Women--United States--Social conditions.
Princeton subject headings:
Middle class--United States--History.
Sex role--United States--History.
Women--United States--History--19th century.
Women--United States--Social conditions.