Delivery Cap on a Stake to Be Set out under Full Moon, 1970. Mixed media on paper. (81 x 60 cm). Museum Ludwig, Köln [ML/L 1972/6].

Artist studio registration # 70.D08

Blow Out, 1970. Mixed media on paper. (61.0 x 125.5 cm). Graphische Sammlung, Staatsgalerie Stuttgart [C 71/2031].

Artist studio registration # 70.D09

Sketch for Slipping Off the Continental Divide, 1972. Mixed media on paper. 43" x 77 1/2" (109.2 x 196.9 cm). Private Collection.

Artist studio registration # 72.D09

U-turn into Tomorrow, 1974. Graphite and acrylic on paper. 38" x 75 1/2" (96.5 x 191.8 cm). Private Collection.

Artist studio registration # 74.D24

Untitled, 1974. Mixed media and collage on paper laid down on canvas. 31" x 74" (78.7 x 188.0 cm). Private Collection.

Artist studio registration # 74.D28

Sun Clips, 1975. Mixed media on paper. 36 1/4" x 74 3/4" (92.1 x 189.9 cm). Private Collection.

Artist studio registration # 75.D16

Pegasus Rocker, 1975. Acrylic on paper. 34" x 74 7/8" (86.4 x 190.2 cm). Private Collection.

Artist studio registration # 75.D26

Midnight Sun, 1975. Acrylic and collage on paper. 36 1/4" x 74 7/8" (92.1 x 190.2 cm). Private Collection.

Artist studio registration # 75.D27