Document, 1957 Invitation card for the double exhibition "Yves Klein: Propositions monochromes" at the Iris Clert and Colette Allendy Galleries
Photo, 1959 International collaboration between artists and architects in the realisation of the new Gelsenkirchen Opera House
Artwork, 1962 Transfer of a Zone of Immaterial Pictorial Sensibility to Claude Pascal. Series n°1, Zone 06