Columbia subject headings:
Docks--England--Manchester--History.
Manchester Ship Canal Co.--History.
Harvard subject headings:
Docks--England--Manchester--History.
Manchester (England)--Buildings, structures, etc.--History.
Manchester Ship Canal (England)--History.
Manchester Ship Canal Co.--History.
Manchester Ship Canal--History.
Princeton subject headings:
Docks--England--Manchester--History.
Manchester Ship Canal--History.