Untitled (from 133 Proposals for Heiner Friedrich Gallery), 1969
Untitled (from Ten Vertical Constructions), 1977–79
untitled (in honor of Harold Joachim) 3, 1977
untitled (to a man, George McGovern) 2, 1972
untitled (to Jim Schaeufele) 1, 1972
untitled (to Jim Schaeufele) 2, 1972
untitled (to Jim Schaeufele) 3, 1972
untitled (to Katharina and Christoph), 1966–71
untitled (to Robert, Joe and Michael), 1975–81
untitled (to the real Dan Hill) 1b, 1978
Untitled (Two-part construction), 1996
Untitled (Two-part Vertical Construction), 1979
Untitled, Delta, 1965–66 c.
Varese Wall, 1975
Vector, 1975/1996–97
Wall Drawing #411D: Isometric figure with progressively darker gradations of gray ink wash on each plane, 1984
Wall Drawing #411E: Isometric figure with progressively darker gradations of gray ink wash on each plane, 2003
Water Composition (green), 1970
Water Composition (yellow/green), 1969–70/2018
Water Composition I, 1970/2019
Water Composition II, 1970/2019
Water Composition III, 1970/2018
Wet Night—Early Dawn—Scat-Chant—Pilgrim’s Song, 1996