Columbia subject headings:
Shipbuilding industry--Great Britain.
Warships--Great Britain.
Harvard subject headings:
Shipbuilding industry--Scotland--Clyde River Region--History.
Warships--Scotland--Clyde River Region--Design and construction.
Princeton subject headings:
Clyde, River, Valley (Scotland)--Economic conditions.
Shipbuilding industry--Scotland--Clyde River Valley--History.
Warships--Scotland--Clyde River Valley.