Columbia subject headings:
Harvard subject headings:
Congo (Brazzaville)--Economic conditions--Periodicals.
Equatorial Guinea--Economic conditions--Periodicals.
Gabon--Economic conditions--1960---Periodicals.
Princeton subject headings:
Congo (Brazzaville)--Economic conditions--Periodicals.
Equatorial Guinea--Economic conditions--Periodicals.
Gabon--Economic conditions--1960---Periodicals.