Columbia subject headings:
Harvard subject headings:
Feminism--United States--History--20th century
Mothers--United States--History--20th century.
United States--History--20th century.
Women--United States--History--20th century.
Princeton subject headings:
Feminism--United States--History--20th century.
Mothers--United States--History--20th century.
Women--United States--History--20th century.