Group exhibition
30. January 1950 bis 25. February 1950, Sidney Janis Gallery, New York Arp
30. January 1950 bis 25. February 1950, Sidney Janis Gallery, New York 30. January 1950 bis 25. February 1950, Sidney Janis Gallery, New York 30. January 1950 bis 25. February 1950, Sidney Janis Gallery, New York 