ZT/Dier met toren (Eiffeltoren) Title Year Appel Constant Corneille | Kunstzaal Hubers 1949 Internationale Tentoonstelling van Experimentele Kunst 1949 Article Title Year The 1949 Cobra Exhibition at the Stedelijk Museum Amsterdam 2006 Review exhibition Appel Constant Corneille Bergen 1949 Title Year Constant, De late periode 2008