Columbia subject headings:
Harvard subject headings:
Channel Tunnel (Coquelles, France, and Folkestone, England)--History--21st century.
Chief executive officers--France--Biography.
Engineers--France--Biography
Eurotunnel--Employees--Biography.
Eurotunnel--Trials, litigation, etc.
Koninklijke Nederlandsche Petroleum Maatschappij--Employees--Biography.
Railroad tunnels--English Channel--History--20th century.
Tunneling--English Channel--History--20th century.
Underwater tunnels--English Channel--History--20th century.
Princeton subject headings:
Channel Tunnel (Coquelles, France, and Folkestone, England)--History--21st century.
Chief executive officers--France--Biography.
Engineers--France--Biography.
Eurotunnel--Employees--Biography.
Eurotunnel--Trials, litigation, etc.
Koninklijke Nederlandsche Petroleum Maatschappij--Employees--Biography.
Railroad tunnels--English Channel--History--20th century.
Tunneling--English Channel--History--20th century.
Underwater tunnels--English Channel--History--20th century.