Columbia subject headings:
Harbors--Mozambique--History.
Railroads--Mozambique--History.
Sabotage--Mozambique--History.
Harvard subject headings:
Harbors--Mozambique--History.
Mozambique--Foreign relations--South Africa.
Railroads--Mozambique--History.
Sabotage--Mozambique--History.
South Africa--Foreign relations--Mozambique.
Princeton subject headings: