Taos1988 · Charcoal and pastel, with stumping, scraping and traces of brush and gray wash, on ivory wove paper, laid down on tan board60.9 × 91.6 cm (24 × 36 1/8 in.)Art Institute of Chicago
Untitled1967 · Lithograph on white wove paperSheet: 63.5 × 56 cm (25 × 22 1/16 in.)Art Institute of Chicago
Drawing No. 211952 · Charcoal and pastel on paper48.5 × 61.5 cm (19 1/8 × 24 1/4 in.)Art Institute of Chicago