Columbia subject headings:
Cammell Laird Shipbuilders Ltd.
Shipbuilding--England--Birkenhead--History.
Steel industry and trade--Great Britain--History.
Harvard subject headings:
Cammell Laird Shipbuilders Ltd.--History.
Shipbuilding industry--Great Britain--History.
Princeton subject headings:
Cammell Laird Shipbuilders Ltd.--History.
Shipbuilding industry--Great Britain--History.