Columbia subject headings:
Ghana--Economic conditions--1957-1979.
Industries--Ghana--History.
Industries--Liberia--History.
Investments, Foreign--Ghana--History.
Investments, Foreign--Liberia--History.
Liberia--Economic conditions.
Harvard subject headings:
Ghana--Economic conditions--1957-1979.
Ghana--Economic conditions.
Industries--Ghana--History.
Industries--Liberia--History.
Investments, Foreign--Ghana--History.
Investments, Foreign--Liberia--History.
Liberia--Economic conditions.
Princeton subject headings:
Ghana--Economic conditions.
Industries--Ghana--History.
Industries--Liberia--History.
Investments, Foreign--Ghana--History.
Investments, Foreign--Liberia--History.
Liberia--Economic conditions.