Gresham Ship Project : A 16th-Century Merchantman Wrecked in the Princes Channel, Thames Estuary Volume IMassimiliano Ditta, Antony Firth, Nigel Nayling, Delia Enqvist, Christian Thomsen · First published 2014Open the Tome
Tamar estuaries historic environmentAntony Firth, Kit Watson, Chris Ellis, Plymouth City Archaeology, Wessex Archaeology (Firm), Tamar Estuaries Historic Environment Forum, Royal Commission on Historical Monuments (England) · First published 1997Open the Tome
