Los Angeles County Museum of Art, Los Angeles; The Art Institute of Chicago; Barron, Stephanie; Guenther, Peter; Hüneke, Andreas; Janda, Annegret; von Lüttichau, Mario-Andreas; Meyer, Michael; Moritz, William; Mosse, George L.; Zuschlag, Christoph
Deak, Frantisek; Dorfles, Gillo; Frank, Peter; Furlong, William; von Graevenitz, Antje; Marras, Amerigo; Pickshaus, Peter Moritz; Robertson, Clive; Scharzbauer, Georg F.; van Straaten, Evert J.