London Gazette (Supplement). Nr. 64269, HMSO, London, 30. Dezember 2023, S. N9 (Digitalisat, englisch).
theguardian.com
Elizabeth Day: My years with Roald, by the 'love of his life'. In: The Observer. 9. November 2008, ISSN0029-7712 (theguardian.com [abgerufen am 27. Februar 2024]).
Elizabeth Day: My years with Roald, by the 'love of his life'. In: The Observer. 9. November 2008, ISSN0029-7712 (theguardian.com [abgerufen am 27. Februar 2024]).