Columbia subject headings:
Harvard subject headings:
Argentina--History, Naval--20th century.
Argentina. Armada--History--20th century.
Argentina. Armada--History.
Petroleum industry and trade--Argentina
Petroleum--Argentina--Comodoro Rivadavia.
Petroleum--Argentina.
Princeton subject headings:
Argentina. Armada--History--20th century.
Petroleum--Argentina--Comodoro Rivadavia.
Petroleum--Argentina.