Columbia subject headings:
Düsseldorf (Germany)--Social conditions.
Women and socialism--Germany--Düsseldorf--History--20th century.
Working class women--Germany--Düsseldorf--History--20th century.
Harvard subject headings:
Düsseldorf (Germany)--Social conditions.
Women and socialism--Germany--Düsseldorf--History--20th century.
Working class women--Germany--Düsseldorf--History--20th century.
Princeton subject headings:
Düsseldorf (Germany)--Social conditions.
Women and socialism--Germany (West)--Düsseldorf--History--20th century.
Working class women--Germany (West)--Düsseldorf--History--20th century.