Basel, Galerie Von Bartha, "Arte Concreto, invención. Arte madi", April 26 - July 14, 1991
Caracas, Museo de Bellas Artes, "Retrospectiva Alfredo Hlito", August 1997
Cambridge, Fogg Art Museum, "Geometric Abstraction, Latin American Art from the Patricia Phelps de Cisneros Collection / Abstracción Geométrica Arte Latinoamericano en la Colección Patricia Phelps de Cisneros", March 3 - November 4, 2001
New York, The Americas Society, "Abstract Art From the Rio de la Plata, Buenos Aires and Montevideo 1933-1953", September 11 - December 9, 2001
Bergamo, Galleria d'Arte Moderna e Contemporanea de Bergamo, "Arte abstracto argentino", December 2002 - March 2003 and tour:
Buenos Aires, Fundación Proa, May - August, 2003
Austin, Blanton Museum of Art, "The Geometry of Hope. Latin american abstract art from the Patricia Phelps de Cisneros", February 20 - April 22, 2007 and tour:
New York, Grey Art Gallery, September 12 - December 8, 2007
Los Angeles, Getty Center, "Making Art Concrete: Works from Argentina and Brazil in the Colección Patricia Phelps de Cisneros", September 16, 2017 - February 11, 2018
MoMA Exh. #2424: "Sur moderno: Journeys of Abstraction—The Patricia Phelps de Cisneros Gift", 3rd Floor, 3 East, October 21, 2019 - September 12, 2020