Columbia subject headings:
Julian March--Economic conditions--20th century.
Shipbuilding industry--Julian March--History--20th century.
Shipping--Julian March--History--20th century.
Harvard subject headings:
Friuli Venezia Giulia (Italy)--Commerce--History.
Julian March--Economic conditions--20th century.
Shipbuilding industry--Julian March--History--20th century.
Shipping--Italy--Friuli-Venezia Giulia.
Shipping--Julian March--History--20th century.
Princeton subject headings:
Friuli Venezia Giulia (Italy)--Economic conditions--20th century.
Harbors--Italy--Friuli Venezia Giulia--History--20th century.