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Smith, B. S. (2010). "A Cross-Staff from the Wreck of HMSStirling Castle(1703), Goodwin Sands, UK, and the Link with the Last Voyage of Sir Cloudesley Shovell in 1707". International Journal of Nautical Archaeology. 39 (1): 172–181. Bibcode:2010IJNAr..39..172S. doi:10.1111/j.1095-9270.2009.00245.x. S2CID162507678.
Smith, B. S. (2010). "A Cross-Staff from the Wreck of HMSStirling Castle(1703), Goodwin Sands, UK, and the Link with the Last Voyage of Sir Cloudesley Shovell in 1707". International Journal of Nautical Archaeology. 39 (1): 172–181. Bibcode:2010IJNAr..39..172S. doi:10.1111/j.1095-9270.2009.00245.x. S2CID162507678.