Stanford's chart of the north-west coasts of England and Wales ... / 
Watts, Oswald Martin.
London, 
1961.
Insets: Castletown and Derby Haven; Port Erin; Port St. Mary; Peel; Ramsey Bay; Douglas; Holyhead; Northern entrance to Menai Strait and Conway; [and] Port of Liverpool with River Mersey.
Stanford's Coloured Charts for Coastal Navigators. No. 17.