Columbia subject headings:
Bank of Sierra Leone--Periodicals.
Sierra Leone--Economic conditions--1961---Periodicals.
Sierra Leone--Economic conditions--1961---Statistics--Periodicals.
Harvard subject headings:
Bank of Sierra Leone--Periodicals.
Sierra Leone--Economic conditions--1961---Periodicals.
Sierra Leone--Economic conditions--1961---Statistics--Periodicals.
Princeton subject headings:
Sierra Leone--Economic conditions--1961---Periodicals.
Sierra Leone--Economic conditions--1961---Statistics--Periodicals.