Study for "Incomplete Red Neon Square on Exterior Corner," University of Massachusetts, Amherst

Graphite on off-white wove paper

Graphite on off-white wove paper

Black ink on off-white wove paper

Black chalk on off-white laid paper

Graphite on paper

Black ink over graphite on cream laid paper

Graphite, blue ink and black type on commercially printed cream wove paper

Graphite on tan wove paper; verso: graphite on tan wove paper

Charcoal and graphite on brown wove paper

Graphite on white translucent wove paper

Black ink on off-white wove paper

Black ink on light tan wove paper