Columbia subject headings:
Botha, P. W. (Pieter Willem)
Prime ministers--South Africa--Biography.
South Africa--Politics and government--1961-1978.
South Africa--Politics and government--1978-1989.
Harvard subject headings:
Botha, P. W. (Pieter Willem)
Prime ministers--South Africa--Biography.
South Africa--Politics and government--1961-1978.
South Africa--Politics and government--1978-
Princeton subject headings:
Botha, P. W. (Pieter Willem)
Prime ministers--South Africa--Biography.
South Africa--Politics and government--1961-1978.
South Africa--Politics and government--1978-1989.