Photo, 1949 Christmas evening at Hans Hartung's with Yves Klein standing on the right, surrounded by Colette and Pierre Soulages
Photo, 1961 Pierre Restany during the exhibition "Yves Klein the Monochrome: il nuovo realismo del colore", Galleria Apollinaire
Photo, 1968 Rotraut in front of the Relief Portrait of Arman (PR 1) during the exhibition "Yves Klein", Louisiana Museum