Photo, ca. 1960 Yves Klein and Rotraut with Ci-gît l'Espace [Here Lies Space] (RP 3) and the Sponge Relief (RE 20)
Photo, 1959 International collaboration between artists and architects in the realisation of the new Gelsenkirchen Opera House
Document, 1964 Invitation card for the exhibition "Yves Klein Peintures de feu" at the Galerie Schmela, Düsseldorf
Photo, 1961 "Fountain of Fire" at the exhibition "Yves Klein Monochrome und Feuer", Museum Haus Lange
Photo, 1961 "Fire Fountain" during the exhibition "Yves Klein Monochrome und Feuer" at the Museum Haus Lange
Photo, 1961 "Fountain of Fire" during the exhibition "Yves Klein Monochrome und Feuer", Museum Haus Lange