Document, 1959 Yves Klein, Text following the exhibition Motion in Vision / Vision in Motion, Hessenhuis
Document, 1957-1959 Yves Klein, "Règles rituelles de la cession des zones de sensibilité picturale immatérielle"
Photo, 1959 Yves Klein before the inauguration of his exhibition "Vision in Motion - Motion in Vision", Hessenhuis, Antwerp