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

Black ink on off-white wove paper

Watercolor and graphite on white wove paper

Black ink, graphite, and touches of yellow gouache on faded blue-green wove paper; verso: graphite with touches of black ink

Black crayon on thin ivory wove paper

Graphite and pastel on off-white wove paper

Graphite, gouache, crayon, and silver and black ink on white wove paper

Black ink on off-white wove paper

Watercolor over graphite on off-white wove paper

Gold ink on black tissue paper

Graphite on buff wove paper

Watercolor, gouache, and graphite on tan wove paper

Mixed media on paper