Study for portrait of Derek Bok against panelled wall with "The Great Salt"

Graphite on off-white wove paper

Ink on paper

Graphite and charcoal on paper

Black colored pencil on tan wove paper

Black ink on cream wove paper

Black ink, graphite and black type on commercially printed cream wove paper

Black ink on off-white tracing paper

Graphite on off-white wove paper

Acrylic, graphite, and computer print-out on off-white wove paper

Watercolor, black ink and white gouache on off-white wove paper

Watercolor and white gouache on blue wove paper

Graphite on off-white wove paper