Perfect balance, 1987–1987

Column-body, 1966–1966

SEATED STORAGE/CAPSULE (FOR HENRY MOORE), 1966–1966

Pulled neck, 1970–1970

Upside-down drawing, 1965

Diamond mind, 1976

STUDIEN FUR HOLOGRAMME, 1970

Stadium, 1984–1984

UNTITLED (CROSS BEAMS), 1986

Coffee spilled because the cup was too hot, 1966–1966

Knot at the end of my rope, 1995–1995

Concrete tape recorder piece, 1968–1968

Drawing for circulating corridor, 1970–1970

CONCRETE CHAMBER WITH VIDEO AND AUDIO DEEP In EARTH OR DEEP In SPACE, 1972

Subtle imperfections becoming inconspicuous, 1973

FOUR CORNER PIECE, 1971

HUMAN NEED DESIRE, 1983

**BST*TU**, 1967–1968

Studies for holograms

Shoulder with 3 arms (Study for shoulder tree), 1967–1967

Rooster, 1960–1965

DIAMOND MIND CIRCLE OF TEARS FALLEN ALL AROUND ME, 1975

Untitled - Cross beams, 1988–1988

Making faces, 1968–1969

Waxing hot, 1966

Hands with all thumbs, 1998–1998

Large butt to butt, 1989

Drawing for cast iron mode of underground chamber, 1977

Fox wheel

Underground tunnels, 1978–1978