Columbia subject headings:
Harvard subject headings:
Ghana--Economic conditions--1979---Periodicals.
Ghana--Politics and government--1979---Periodicals.
Liberia--Economic conditions--1980---Periodicals.
Liberia--Politics and government--1980---Periodicals.
Sierra Leone--Economic conditions--1961---Periodicals.
Sierra Leone--Politics and government--1961---Periodicals.
Princeton subject headings:
Ghana--Economic conditions--Periodicals.
Liberia--Economic conditions--Periodicals.
Sierra Leone--Economic conditions--Periodicals.