Wall Drawing #11 (1969)A wall divided horizontally and vertically into four equal parts. Within each part, three of the four kinds of lines are superimposed.

Wall Drawing #16 (1969)Bands of lines 12 inches (30 cm) wide, in three directions (vertical, horizontal, diagonal right) intersecting.

Wall Drawing #17 (1969)Four-part drawing with a different line direction in each part.

Wall Drawing #19 (1969)A wall divided vertically into six equal parts, with two of the four kinds of line directions superimposed in each part.

Wall Drawing #38 (1970)Tissue paper cut into 1½-inch (4 cm) squares and inserted into holes in the gray pegboard walls. All holes in the walls are filled randomly.

Wall Drawing #46 (1970)Vertical lines, not straight, not touching, covering the wall evenly.

Wall Drawing #47 (1970)A wall divided into fifteen equal parts, each with a different line direction, and all combinations.

Wall Drawing #56 (1970)A square is divided horizontally and vertically into four equal parts, each with lines in four directions superimposed progressively.

Wall Drawing #85 (1971)A wall is divided into four horizontal parts. In the top row are four equal divisions, each with lines in a different direction. In the second row, six double combinations; in the third row, four triple combinations; in the bottom row, all four combinations superimposed.

Wall Drawing #86 (1971)Ten thousand lines about 10 inches (25 cm) long, covering the wall evenly.

Wall Drawing #87 (1971)A square divided horizontally and vertically into four equal parts, each with lines and colors in four directions superimposed progressively.

Wall Drawing #88 (1971)A 6-inch (15 cm) grid covering the wall. Within each square, not straight lines in either of four directions. Only one direction in each square but as many as desired, and at least one line in each square.

Wall Drawing #95 (1971)On a wall divided vertically into fifteen equal parts, vertical lines, not straight, using four colors in all one-, two-, three-, and four-part combinations.

Wall Drawing #130 (1972)Grid and arcs from four corners.

Wall Drawing #138 (1972)Circles and arcs from the midpoints of four sides.

Wall Drawing #142 (1972)A 10-inch (25 cm) grid covering the wall. An increasing number of vertical not straight lines from the left side and horizontal not straight lines from bottom to top, adding one line per row of the grid. All lines are spaced evenly based on the number of lines, filling the last row of each direction.

Wall Drawing #154 (1973)A black outlined square with a red horizontal line from the midpoint of the left side toward the middle of the right side.

Wall Drawing #159 (1973)A black outlined square with a red diagonal line from the lower left corner toward the upper right corner; and another red line from the lower right corner to the upper left.

Wall Drawing #160 (1973)A black outlined square with a red diagonal line centered on the axis between the upper left and lower right corners and another red diagonal line centered on the axis between the lower left and upper right corners.