The Paradoxical Absolute, 1958
Untitled, 1959
Untitled, 1960
Untitled, 1962 c.
Stretched Drawing [5 x 5 grid], 1963
Stretched Drawing [2 x 2 grid], 1963 c.
Stretched Drawing [Square], 1963 c.
Untitled, 1965
Untitled, 1965–66 c.
Untitled, Delta, 1965–66 c.
JUNE 16, 1966, 1966
FEB. 14, 1967, 1967
5 ABR. 68, 1968
NOV. 20, 1969, 1969
MAY 25, 1970, 1970
2 JAN. 1971, 1971
28 DEC. 1972, 1972
OCT. 13, 1973, 1973
MAR. 24, 1974, 1974
Times of the Day I, 1974–75