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Ellsworth Kelly

by Michael Semff (Contribution by), Marla Prather (Contribution by)

Sigmar Polke

by Margit Rowell, Bice Curiger (Contribution by), Michael Semff (Contribution by)

Drawings 1960-2002

by Richard Artschwager, Dieter Schwartz (Contribution by), Michael Semff (Contribution by)