Columbia subject headings:
Central America--Politics and government--1979-
Central America--Relations--Europe.
Europe--Relations--Central America.
P.S.O.E. (Political party)--Influence.
Parti socialiste (France)--Influence.
Socialism--Central America--History--20th century.
Sozialdemokratische Partei Deutschlands--Influence.
Harvard subject headings:
Central America--Politics and government--1979-
Central America--Relations--Europe.
Europe--Relations--Central America.
P.S.O.E. (Political party)--Influence.
Parti socialiste (France)--Influence.
Socialism--Central America--20th century.
Socialism--Central America--History--20th century.
Sozialdemokratische Partei Deutschlands--Influence.
Princeton subject headings:
Central America--Politics and government--1979-
Central America--Relations--Europe, Western.
Europe, Western--Relations--Central America.
P.S.O.E. (Political party)--Influence.
Parti socialiste (France)--Influence.
Socialism--Central America--History--20th century.
Sozialdemokratische Partei Deutschlands--Influence.