Study for "Fragments of Blue Neon Circles and Squares on a Pink Wall," University of Massachusetts, Amherst

Oil on off-white wove paper

Transparent and opaque watercolor on paper

Black ink on off-white wove paper

Opaque watercolor on purple construction paper

Black ink and black crayon over graphite on off-white laid paper

Graphite on off-white wove paper

Black pastel on off-white wove paper

Watercolor and graphite on cream wove paper; verso: black ink and graphite

Transparent and opaque watercolor on Japanese paper, mounted overall

Black ink, watercolor, watercolor pencil, and metallic gold pencil on cream wove paper

Ink and gouache on paper

Mixed media on paper