Columbia subject headings:
Harvard subject headings:
Acindar (Firm)--History.
Iron and steel workers--Argentina--Villa Constitución.
Labor unions--Argentina--Villa Constitución--History.
Martín, Tito, 1918-
Strikes and lockouts--Argentina--Villa Constitución--History.
Princeton subject headings:
Acindar (Firm)--History.
Iron and steel workers--Argentina--Villa Constitución.
Labor unions--Argentina--Villa Constitución--History.
Martín, Tito, 1918-
Strikes and lockouts--Argentina--Villa Constitución--History.