Columbia subject headings:
Harvard subject headings:
Businessmen--Germany--Biography
Ice cream industry--Germany--History.
Schöller, Theo, 1917-2004.
Social responsibility of business--Germany--History.
Princeton subject headings:
Businessmen--Germany--Biography.
Ice cream industry--Germany--History.
Schöller, Theo, 1917-2004.
Social responsibility of business--Germany.