"Lisa"
Signed Baertling. Utförd 1939. Canvas 92 x 65 cm.
Galerie Moderne, Stockholm.
Galerie Moderne, Stockholm, "Olle Baertling", 17 April - 23 May 1983.
Malmö Konsthall, "Baertling - Den öppna formens skapare", 4 September - 18 October 1981, cat no. 3. Illustrated in catalogue.
Teddy Brunius, "Olle Baertling - creator of open form", 1974, illustrated p. 34.