1. British Marine Aggregate Producers Association and English Heritage 2003 Marine aggregate dredging and the historic environment: guidance note. London:British Marine Aggregate Producers Association and English Heritage. Downloadable from http://www.wessexarch.co.uk/projects/marine/bmapa/dredging-hist-env.html
2. British Marine Aggregate Producers Association and English Heritage 2005 Protocol for reporting finds of archaeological interest. London: British Marine Aggregate Producers Association and English Heritage. Downloadable from http://www.wessexarch.co.uk/projects/marine/bmapa/arch-interest.html
3. British Marine Aggregate Producers Association and English Heritage 2007 Protocol for reporting finds of archaeological interest: annual report to BMAPA 2006-2007. London: British Marine Aggregate Producers Association and English Heritage.
4. British Marine Aggregate Producers Association and English Heritage 2008 Protocol for Reporting Finds of Archaeological Interest: Annual Report to BMAPA 2007-2008. London: British Marine Aggregate Producers Association and English Heritage.