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Robert Ryman : 26.5.-16.8.93; [Tate Gallery, London: 17.2.-25.4.93; Museum of Modern Art, New York: 22.9.93-4.1.94; Museum of Modern Art, San Francisco: 3.2.-17.4.94; Walker Art Center, Minneapolis: 23.7.-2.10.94]
Madrid : Museo Nacional de arte reina Sofia, 1993
Hamburger Kunsthalle