Editing Donald Serrell Thomas (section)

===Later life and death===
Having retired from Cardiff University, he remained affiliated there, as an Associate Research Professor in the School of English, Communication and Philosophy.<ref name="caerdydd.ac.uk">[http://www.caerdydd.ac.uk/news/articles/wartime-crime-on-the-home-front.html News Centre: "War-time crime on the home front" Review of ''An Underworld at War'']{{dead link|date=December 2016 |bot=InternetArchiveBot |fix-attempted=yes }}. Accessed 9 February 2008</ref> In 2005, as Personal Chair in the School of English, Communication and Philosophy at Cardiff University, he "donated a selection of his personal archive of research papers, used in writing his series of acclaimed books on the Underworld in Victorian and World War II eras to the University [of Cardiff]'s Special Collections and Archives."<ref>[http://www.caerdydd.ac.uk/news/articles/villains-paradise.html News Centre: "Villain's Paradise" review]{{dead link|date=December 2016 |bot=InternetArchiveBot |fix-attempted=yes }}. Accessed 9 February 2008</ref>

Some of his last works included a study on censorship in modern Britain, reviewed as "provocative, timely and disturbing" by [[Iain Finlayson]] in ''[[The Times]]''.<ref>{{cite news | author=Iain Finlayson| author-link=Iain Finlayson | title=Freedom's Frontier: Censorship in Modern Britain  | date=25 August 2007 | work=The Times | url=http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/books/non-fiction/article2320727.ece| archive-url=https://web.archive.org/web/20110517081554/http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/books/non-fiction/article2320727.ece| url-status=dead| archive-date=17 May 2011|access-date = 9 February 2008  | location=London}}</ref>

Thomas died on 20 January 2022, at the age of 87.<ref>{{cite news |title=Professor Donald Thomas, prolific biographer, scholar of true crime and author of mystery novels – obituary |url=https://www.telegraph.co.uk/obituaries/2022/03/10/professor-donald-thomas-prolific-biographer-scholar-true-crime/ |access-date=11 March 2022 |publisher=The Telegraph |date=10 March 2022}}</ref>