Alan Cowell, Rick Gladstone: Theory That Hammarskjold Plane Was Downed Is Bolstered by U.N. Report. Hrsg.: New York Times. New York 25. Oktober 2017 (nytimes.com [abgerufen am 8. August 2018]).
Rick Gladstone: U.N. Renews Push to Solve Its Biggest Mystery: Hammarskjold’s Death. Hrsg.: New York Times. New York 27. März 2018 (nytimes.com [abgerufen am 8. August 2018]).
Emma Graham-Harrison, Andreas Rocksen, Mads Brügger: RAF veteran‚ admitted 1961 killing of UN secretary general‘. In: The Guardian 12. Januar 2019, abgerufen am 13. Januar 2019. Zitat: „Jan van Risseghem has been named as a possible attacker before, but has always been described simply as a Belgian pilot. The Observer can now reveal that he had extensive ties to Britain, including a British mother and wife, trained with the RAF and was decorated by Britain for his service in the second world war.“