Document, 1960 Invitation card for the performance "Anthropométries de l'Epoque Bleue", Galerie Internationale d'art contemporain
Document, 1964 Invitation card for the exhibition "Yves Klein Peintures de feu" at the Galerie Schmela, Düsseldorf
Document, 1969 Invitation card for the exhibition "Yves Klein" at the Nouvelle Galerie Lambert Monet, Geneva