Stanford's chart of the Bristol Channel, central and upper part, Bull Point and Worms Head to sharpness ... / 
Watts, Oswald Martin.
London, 
1969.
Insets: Mumbles Road; Swansea; Port Talbot; Barry; Cardiff & Penarth; Newport, Mon.; Ilfracombe; Lynmouth Bay; King Road & Portishead; Weston-Super-Mare; Bridgwater Bay; Porlock Bay; Tidal Streams.