recently acquired
1965 New York
1968 New York
1971New York - USA
1974-Everson Museum of Art-Syracuse-New York-USA
1976-11-19-Cologne-Germany
1978-06-Marika Malacorda-Geneve-Switzerland
1982-New York-USA
1984-Tokyo
1984-05-15-Tokyo-a
1984-05-15-Tokyo-b
1984-11-28-daadgalerie-Berlin-Germany
1986-02-09-Museum am Ostwall-Dortmund-Germany
1986-Cincinnati
1986-09-21-Won Gallery - Hyundai Gallery - Seoul - Korea
1986-10-11 Watari Gallery - Tokyo - Japan
1986-Tokyo-Japan-front
1986-Tokyo-Japan-back
1988-Japan
1988-Japan
1988-09-29-London-Great Britain
1989-01-21-Frankfurt-Germany
1989-02-02-Madrid-Spain
1989-04-28 Paris
1990-Antwerp-a
1990-Antwerp-b-signed copy
1990-Hamburg
1990-Paris-France
1990-Stuttgart-Germany
1991-Los Angeles-a
1991-Los Angeles-b
1991-Gallery Hyundai-Won Gallery-Seoul-Korea
1991-1992-Bale-Zurich-Dusseldorf-Vienna
1992-07-30-The National Museum of Contemporary Art-Seoul-Korea
1992-Knokke-Belgium
1992 Gallery Hyundai / Gallery Won - Seoul
1992-Rome-Italy
1992-07-13-Gallery Meegun-Seoul
1992-07-30-Seoul
1993-New York
1993-05-01-Galerie Hauser & Wirth-Zurich-Switzerland
1993-Venice-Italy-hardcover
1993-Venice-Italy-softcover
1993-The Watari Museum of Contemporary Art-Tokyo-Japan
1993-Taejon
1994-06-03-Palazzo Reale-Milano-Italy
1995-Bologna-Italy
1995-06-25-Dyckburg-Germany
1995-07-01-Turku-Finland
1995-11-04-Berlin-Germany-a
1995-11-04-Berlin-Germany-b
1995-Carl Solway Gallery-Cincinati-USA
1995-Gallery Hyundai-Seoul-Korea
1996-Des Moines Art Center-Iowa
1996-09-07-Copenhagen-Denmark
1996-Gwacheon-Korea
1996-New York