Columbia subject headings:
Argentina--Relations--United States.
Coffee--Harvesting--Nicaragua--History--20th century.
Counterrevolutions--Nicaragua--History--20th century.
Military assistance, American--Nicaragua--History--20th century.
Nicaragua--History--Revolution, 1979--Influence.
United States--Relations--Argentina.
Volunteers--Argentina--History--20th century.
Volunteers--Nicaragua--History--20th century.
Harvard subject headings:
Argentina--Relations--United States.
Coffee--Harvesting--Nicaragua--History--20th century.
Coffee--Nicaragua--Harvesting--History--20th century.
Counterrevolutions--Nicaragua--History--20th century.
Military assistance, American--Nicaragua--History--20th century.
Nicaragua--History--Revolution, 1979--Influence.
United States--Relations--Argentina.
Volunteers--Argentina--History--20th century.
Volunteers--Nicaragua--History--20th century.
Princeton subject headings:
Brigada del Café (Nicaragua)
Nicaragua--History--1979-1990.