Study for Call It a Day1971 · Graphite and colored pencil on buff wove paper76.5 × 57 cm (30 1/8 × 22 1/2 in.)Art Institute of Chicago
Melting Table1970 · Graphite on cream wove paper26.1 × 43.2 cm (10 1/4 × 17 in.)Art Institute of Chicago
The Back Stairs at the Institute1963 · Etching and roulette, with heavy burnishing, in black ink on cream wove paperImage/plate: 50.2 × 33.4 cm (19 13/16 × 13 3/16 in.); Sheet: 56.9 × 39 cm (22 7/16 × 15 3/8 in.)Art Institute of Chicago
Confer1962 · Etching, with aquatint and roulette, in black on cream wove paperImage/plate: 30.3 × 22.3 cm (11 15/16 × 8 13/16 in.); Sheet: 39.4 × 30.2 cm (15 9/16 × 11 15/16 in.)Art Institute of Chicago
Christian Symbolism with Nuclear Unit1960 · Etching with aquatint in black on cream wove paperImage/plate: 12 × 37.8 cm (4 3/4 × 14 15/16 in.); Sheet: 21.4 × 48.1 cm (8 7/16 × 18 15/16 in.)Art Institute of Chicago
Christian Symbolism with Nuclear Unit1960 · Etching with aquatint in black on cream wove paperImage/plate: 12 × 37.8 cm (4 3/4 × 14 15/16 in.); Sheet: 21.4 × 48.1 cm (8 7/16 × 18 15/16 in.)Art Institute of Chicago
Landscape Unit into Firmament1959 · Etching and aquatint, in blue, from two plates, on ivory wove paperImage/plates: 49.2 × 5.9 cm (19 3/8 × 2 3/8 in.); Sheet: 54.7 × 16 cm (21 9/16 × 6 5/16 in.)Art Institute of Chicago