Photo, january 1957 Yves Klein during the exhibition "Proposte monocrome, epoca blu", Galleria Apollinaire
Document, 1957 Invitation card for the double exhibition "Yves Klein: Propositions monochromes" at the Iris Clert and Colette Allendy Galleries
Photo, 1961 Yves Klein and his sculpture Piège bleu pour lignes [Blue Trap for Lines] (S 14) during the exhibition "Yves Klein Monochrome und Feuer"
Photo, janvier 1961 Yves Klein in front of the sculpture "Pluie Bleue [Blue Rain]" (S 36) during the exhibition "Yves Klein Monochrome und Feuer", Museum Haus Lange