Columbia subject headings:
Harvard subject headings:
Bahlsen, Klaus, 1908-1991.
Björkman, Rut, 1901-1988.
Businesspeople--Germany--Biography.
Endowments--Germany--History.
Philanthropists--Germany--Biography.
Rut-und-Klaus-Bahlsen-Stiftung--History.
Princeton subject headings:
Bahlsen, Klaus, 1908-1991.
Björkman, Rut.
Businesspeople--Germany--Biography.
Endowments--Germany--History.
Philanthropists--Germany--Biography.
Rut- und Klaus-Bahlsen-Stiftung--History.