Columbia subject headings:
Harvard subject headings:
Argentina--Politics and government--1943-1955.
Argentina--Politics and government--1955-1983.
Neuquén (Argentina : Province)--Politics and government.
Peronism.
Río Negro (Argentina)--Politics and government.
Princeton subject headings:
Argentina--Politics and government--1910-1943.
Argentina--Politics and government--1943-1955.
Labor policy--Argentina--Neuquén (Province)--History--20th century.
Labor policy--Argentina--Río Negro--History--20th century.
Labor unions--Argentina--Neuquén (Province)--History--20th century.
Labor unions--Argentina--Río Negro--History--20th century.
Peasants--Argentina--Neuquén (Province)--History--20th century.
Peasants--Argentina--Río Negro--History--20th century.
Peronism.