Columbia subject headings:
Harvard subject headings:
Women--Education--Germany--North Rhine-Westphalia--History--20th century.
Women--Education--Germany--Prussia--History--20th century.
Women--Employment--Germany--History--20th century.
Princeton subject headings:
Occupational training for women--Germany--North Rhine-Westphalia.
Occupational training for women--Germany--Prussia.
Women--Education--Germany--North Rhine-Westphalia.
Women--Education--Germany--Prussia.