Columbia subject headings:
Cuba--Foreign relations--1959-1990.
Cuba--Foreign relations--Soviet Union.
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za.
Partido Comunista de Cuba.
Soviet Union--Foreign relations--1945-1991.
Soviet Union--Foreign relations--Cuba.
Soviet Union--History--Revolution, 1917-1921--Influence.
Harvard subject headings:
Cuba--Foreign relations--1959-1990.
Cuba--Foreign relations--Soviet Union.
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za.
Partido Comunista de Cuba.
Soviet Union--Foreign relations--1945-1991.
Soviet Union--Foreign relations--Cuba.
Soviet Union--History--Revolution, 1917-1921--Influence.
Princeton subject headings:
Communist states.
Cuba--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Cuba.