
title unknown
mid 1960s

title unknown
mid 1960s

title unknown
mid 1960s

two

untitled (1960)
1960

untitled (1960-1962)
1960-1962

untitled (Cohen, Harold)

untitled (Cohen, Harold, 1986)
1986

untitled (Konstruktion)
ca. 1950

untitled (Leonardo 2)
1968

untitled (ca. 1960-1962)

untitled (sine curve 1)
ca. 1969

untitled (sine curve 2)
ca. 1969

untitled (sine curve 3)
ca. 1969

untitled (sine curve 4)
ca. 1969

mid 1960s

untitled computer graphics
mid 1960s

untitled light gray ground
1974

untitled mural
1986

untitled
1955

untitled
1961

untitled
1972

untitled
1967 / 68

untitled
1967 / 68

untitled
around 1966-96

untitled

untitled

untitled

untitled
1966

untitled
around 1948/49