Columbia subject headings:
Harvard subject headings:
Apartheid--South Africa
Legislators--South Africa--Biography.
Politicians--South Africa--Biography
South Africa--Politics and government--1978-
Van Zyl Slabbert, F. (Frederik)
Princeton subject headings:
Progressive Federal Party (South Africa)
South Africa--Politics and government--1961-1978.
South Africa--Politics and government--1978-1989.
South Africa--Race relations.
South Africa. Parliament
Van Zyl Slabbert, F. (Frederick)