Columbia subject headings:
Harvard subject headings:
Child care--Government policy--Germany--Frankfurt am Main--History--20th century.
Child welfare--Germany--Frankfurt am Main--History--20th century.
Frankfurt am Main (Germany)--Social conditions--20th century.
Social work with children--Germany--Frankfurt am Main--History--20th century.
Princeton subject headings:
Child care--Government policy--Germany--Frankfurt am Main--History--20th century.
Child welfare--Germany--Frankfurt am Main--History--20th century.
Frankfurt am Main (Germany)--Social conditions--20th century.
Social work with children--Germany--Frankfurt am Main--History--20th century.