Halbreich, Kathy; Polke, Sigmar; The Museum of Modern Art (New York, NY); Tate Modern; Museum Ludwig; Exhibition Alibis: Sigmar Polke, 1963 - 2010 (2014-2015 : New York, NY; London; Köln)
Halbreich, Kathy; Polke, Sigmar; Engelbach, Barbara; Museum Ludwig; The Museum of Modern Art (New York, NY); Tate Modern; Exhibition Alibis: Sigmar Polke, 1963 - 2010 (2014-2015 : New York, NY; London; Köln)