Columbia subject headings:
Ghana--Economic conditions--1957-1979--Congresses.
Ghana--Politics and government--1957-1979--Congresses.
Nkrumah, Kwame, 1909-1972--Congresses.
Presidents--Ghana--Biography--Congresses.
Harvard subject headings:
Ghana--Politics and government--1957-1979.
Nkrumah, Kwame, 1909-1972.
Presidents--Ghana--Biography
Princeton subject headings:
Ghana--Politics and government--1957-1979.
Nkrumah, Kwame, 1909-1972.
Presidents--Ghana--Biography.