Arnulf Rainer
Aufblick, 1969
Rolf Kissel
Objekt 1 V 61, 1961
Peter Roehr
O.T. (FO-40), 1965
Dan Flavin
Zertifikat zu: Two primary series and one ... , 1968
Juan Genovés
Panorama, 1968
Dan Flavin
Zertifikat zu: Two primary series and one ... , 1968
Dan Flavin
Zertifikat zu: Two primary series and one ... , 1968