Photo, january 1957 Yves Klein during the exhibition "Proposte monocrome, epoca blu", Galleria Apollinaire
Photo, 1959 Inauguration of the Gelsenkirchen Opera Theater in the presence of Jean Tinguely and Yves Klein
Photo, 1959 International collaboration between artists and architects in the realisation of the new Gelsenkirchen Opera House
Photo, 1960 Portrait of Yves Klein as a knight of Saint Sebastian in front of his work Monogold (MG 20)
Photo, 1961 View of the exhibition “Monochrome und Feuer” (MG 17, S 33, S 34, S 35), Museum Haus Lange