(en-GB) William Echikson, « 'Their message is urgent': the Holocaust survivor and his 7,000 pieces of antisemitic propaganda », The Guardian, (ISSN0261-3077, lire en ligne, consulté le )
theguardian.com
(en-GB) William Echikson, « 'Their message is urgent': the Holocaust survivor and his 7,000 pieces of antisemitic propaganda », The Guardian, (ISSN0261-3077, lire en ligne, consulté le )