(EN) a cura della Redazione, A political history of the Daily Mail, in The Week UK, 11 ottobre 2017. URL consultato il 14 settembre 2018.
«The 1930s saw the Mail engage in its most notorious political intervention. Harold Harmsworth, by then Viscount Rothermere, had met and admired both Adolf Hitler and Benito Mussolini, and encouraged positive depictions of their regimes in the Mail and the Daily Mirror, of which he was a major shareholder.»