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• Author of the reproduced work: Rainer Yvonne
• Author of the reproduced work: Paxton Steve
• Author of the reproduced work: Brown Trisha
• Author of the reproduced work: Lloyd Barbara
• Photographer: Gianfranco Gorgoni
• Caption: 4 - Performance del gruppo Grand Union (Yvonne Rainer, Steve Paxton, Trisha Brown, Barbara Lloyd alla Lo Giudice Gallery, New York. Foto Gianfranco Gorgoni.
• Image typology: performance
• Instalment form
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