Robert Klippel

No. 700 1987

Robert Klippel

No. 431 1982

Robert Klippel

No. 982 1968-2001

Robert Klippel

Collage 1993

Robert Klippel

No title (No. 83b; No. 53; No. 44; No. 39; No. 8... 1985-1995