Robert Motherwell : Selections from a current series 'Open' 1967-1969. - Marlborough-Gerson Gallery, New York (New York : Marlborough-Gerson Gallery Inc, 1969)
Robert Motherwell : Selections from a current series 'Open' 1967-1969, Marlborough-Gerson Gallery Inc, New York, May-June 1969
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Keywords: Motherwell, Robert