Kröller-Müller Museum: "Work in Progress (1959-2020)"ewerdt hilgemann March 14, 2020 - November 8, 2020 reopening June 1
| ewerdt hilgemann Relief Structure Nr.183, 1976 •ewerdt hilgemann Relief Structures, 1971 •ewerdt hilgemann Relief Structure Nr.104, 1970 •
|