See ‘Royals told: open archives on family ties to Nazi regime‘
See Jetta Huttunen’s article ‘Redefining aspects of participation for amateur film-makers in the Nordic countries‘, in Interactions: Studies in Communication & Culture (Intellect, Volume 5, Issue 3, December 2014)
Karl Weule’s amateur films discussed by Wolfgang Fuhrmann in Imperial Projections: Screening the German Colonies (Berghahn Books, 2015)
