Columbia subject headings:
Gambia--Economic conditions--Periodicals.
Ghana--Economic conditions--1957-1979--Periodicals.
Ghana--Economic conditions--1979---Periodicals.
Liberia--Economic conditions--Periodicals.
Sierra Leone--Economic conditions--1961---Periodicals.
Harvard subject headings:
Princeton subject headings:
Gambia--Economic conditions--Periodicals.
Ghana--Economic conditions--1957-1979--Periodicals.
Ghana--Economic conditions--1979---Periodicals.
Liberia--Economic conditions--Periodicals.
Sierra Leone--Economic conditions--1961---Periodicals.