https://www.deganwyhistory.co.uk/website-reports/john-griffiths-mulberry-harbour-saesneg/
John Griffiths - Mulberry Harbour - Saesneg - Deganwy History Group
John Griffiths - Mulberry Harbour - Saesneg
mulberry harbourjohngriffithshistorygroup
https://www.mappit.net/bookmap/books/114731/a-harbour-goes-to-war-the-story-of-mulberry-and/
A Harbour Goes to War: The Story of Mulberry and the Men Who Made it Happen by Roy Walter
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