Columbia subject headings:
Harvard subject headings:
Argentina--Politics and government--1955-1983.
Social conflict--Argentina--Casilda--History--20th century.
Social conflict--Argentina--Cipolletti--History--20th century.
Princeton subject headings:
Casilda (Argentina)--Economic conditions.
Casilda (Argentina)--Social conditions.
Cipolletti (Argentina)--Economic conditions.
Cipolletti (Argentina)--Social conditions.
Social conflict--Argentina--Casilda.
Social conflict--Argentina--Cipolletti.