René Daniëls, Shirley Wiitasalo : [Art Gallery of York University, Toronto, Ontario, January 13 - Februar 14, 1993, Illingworth Kerr Gallery Alberta College of Art, Calgary, Alberta, March 4 - March 25, 1993, Mackenzie Art Gallery, Regina, Saskatchewan, April 15 - Mai 31, 1993, Museum Haus Lange Krefeld, Germany, 1994] - Loock, Ulrich; Wiitasalo, Shirley; Daniëls, René ([Museum Haus Lange], 1993)