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Cannon, Sophie; Boyd, Stephen; Whitewright, Julian (2021). "Development of a Quantitative Method for the Assessment of Historic Ship Performance". Practical Design of Ships and Other Floating Structures. Lecture Notes in Civil Engineering. Vol. 63. pp. 269–89. doi:10.1007/978-981-15-4624-2_16. ISBN978-981-15-4623-5. S2CID225128699.
Platt, Alan; Waite, Simon T.; Sexton, Robert T. (February 2009). "The Cutty Sark Second Keel and History as the Ferreira". The Mariner's Mirror. 95 (1). United Kingdom: The Society for Nautical Research: 8–10. doi:10.1080/00253359.2009.10657081. S2CID163769315.
Platt, Alan; Waite, Simon T.; Sexton, Robert T. (February 2009). "The Cutty Sark's Second Keel and History as the Ferreira". The Mariner's Mirror. 95 (1). Portsmouth, UK: The Society for Nautical Research: 13. doi:10.1080/00253359.2009.10657081. S2CID163769315.
Cannon, Sophie; Boyd, Stephen; Whitewright, Julian (2021). "Development of a Quantitative Method for the Assessment of Historic Ship Performance". Practical Design of Ships and Other Floating Structures. Lecture Notes in Civil Engineering. Vol. 63. pp. 269–89. doi:10.1007/978-981-15-4624-2_16. ISBN978-981-15-4623-5. S2CID225128699.
Platt, Alan; Waite, Simon T.; Sexton, Robert T. (February 2009). "The Cutty Sark Second Keel and History as the Ferreira". The Mariner's Mirror. 95 (1). United Kingdom: The Society for Nautical Research: 8–10. doi:10.1080/00253359.2009.10657081. S2CID163769315.
Platt, Alan; Waite, Simon T.; Sexton, Robert T. (February 2009). "The Cutty Sark's Second Keel and History as the Ferreira". The Mariner's Mirror. 95 (1). Portsmouth, UK: The Society for Nautical Research: 13. doi:10.1080/00253359.2009.10657081. S2CID163769315.