Photo, 1968 Rotraut in front of the Relief Portrait of Arman (PR 1) during the exhibition "Yves Klein", Louisiana Museum
Document, 1958 Invitation card for the exhibition "Vitesse pure et stabilité monochrome" at galerie Iris Clert
Document, 1958 Yves Klein, Report on the exhibition "Pure Speed and Monochrome Stability" at Iris Clert, in collaboration with Jean Tinguely