Columbia subject headings:
Liberia--Economic conditions--1980---Periodicals.
Sierra Leone--Economic conditions--1961---Periodicals.
Harvard subject headings:
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:
Liberia--Economic conditions--Periodicals.
Sierra Leone--Economic conditions--Periodicals.