Columbia subject headings:
Social security--Germany--History--20th century.
Women--Employment--Germany--History--20th century.
Women--Pensions--Germany--History--20th century.
Harvard subject headings:
Social security--Germany--History--20th century.
Women--Employment--Germany--History--20th century.
Women--Pensions--Germany--History--20th century.
Princeton subject headings:
Social security--Germany--History--20th century.
Women--Employment--Germany--History--20th century.
Women--Pensions--Germany--History--20th century.