Columbia subject headings:
Ethiopia--Politics and government--1974-1991.
Mozambique--Politics and government--1975-1994.
Political posters, Ethiopian.
Political posters, Mozambican.
Harvard subject headings:
Art--Political aspects--Ethiopia.
Art--Political aspects--Mozambique.
Ethiopia--Politics and government--1974-1991.
Mozambique--Politics and government--1975-1994.
Posters--20th century--Ethiopia.
Posters--20th century--Mozambique.
Princeton subject headings:
Ethiopia--Politics and government--Posters.
Mozambique--Politics and government--Posters.
Political posters, Ethiopian.
Political posters, Mozambican.