No. 646 Robert KLIPPEL No. 193 Robert KLIPPEL No. 356 Robert KLIPPEL No. 709 Robert KLIPPEL Structures in a landscape Robert KLIPPEL Untitled (Study for sculpture) Robert KLIPPEL (Untitled) Robert KLIPPEL Untitled (drawing) Robert KLIPPEL (Untitled) Robert KLIPPEL Study for sculpture Robert KLIPPEL No. 318 Robert KLIPPEL (Untitled) Robert KLIPPEL (Untitled) Robert KLIPPEL (Untitled) Robert KLIPPEL (Untitled) Robert KLIPPEL (Untitled) Robert KLIPPEL (Study for sculpture) Robert KLIPPEL (Untitled) Robert KLIPPEL Untitled Robert KLIPPEL (Untitled) Robert KLIPPEL Untitled Robert KLIPPEL (Untitled) Robert KLIPPEL (Untitled) Robert KLIPPEL (Untitled) Robert KLIPPEL (Untitled) Robert KLIPPEL (Untitled) Robert KLIPPEL (Untitled) Robert KLIPPEL (Untitled) Robert KLIPPEL Drawing (Symbolic journey type) Robert KLIPPEL From New York Robert KLIPPEL