$a Kp. The Mary Rose / Margaret Rule. - London, 1982.
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$a LCA online
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$a The Independent obituaries, 30.04.2015 $b (Margaret Helen Martin, chemist and archaeologist: born High Wycombe, Buckinghamshire 27 September 1928; CBE 1983; married 1949 Arthur Rule (died 2014; one son); died 9 April 2015) $u http://www.independent.co.uk/news/people/news/margaret-rule-archaeological-director-who-led-the-teams-that-raised-the-mary-rose-and-excavated-fishbourne-roman-palace-10207854.html