Per Kirkeby ”Søm – Sommer” 1988 Oil on canvas Signed, dated and titled on the reverse in black: PER KIRKEBY 1988 Søm – Sommer. On the stretcher a label of Galerie Michael Werner, Cologne 78 3/4 × 43 1/4 in. Carl Haenlein (ed.): Per Kirkeby – Bilder. Hanover, Kestner-Gesellschaft, 1991, cat. no. 4, ill. (not exhibited) / Stiftung Brandenburger Tor (ed.): Die Kunstsammlung der Landesbank Berlin AG. Berlin, Nicolaische Verlagsbuchhandlung, 2007, ill. p. 54 Per Kirkeby. Aars, Himmerlands Kunstmuseum, 1988 / Per Kirkeby. Neue Arbeiten. Cologne, Galerie Michael Werner, 1988, cat. no. 5 / Natur – Schöpfung des Malers. Lausanne, Musée Cantonal des Beaux- Arts, 1991, cat. no. 27, ill. p. 81 / Attitudes contre Nature. Vassivière, Centre d’Art Contemporaine de Vassivière en Limousin, 1991 / Per Kirkeby. Seoul, Galleryism, 1995, cat. no. 3 Galerie Michael Werner, Köln / Sammlung Berlin Sparkasse