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

Graphite on paper

Watercolor over graphite on heavy off-white wove paper

Watercolor over graphite on thin off-white wove paper

Black ink on cream wove paper

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

Watercolor and white gouache on heavy off-white wove paper

Sketchbook with cream paper-covered cardboard covers

Pen and black ink over graphite on off-white wove paper

Graphite with blue and orange on paper

Graphite on off-white wove paper

Black ink on off-white card

Watercolor and white gouache with scratchwork on off-white card, mounted to off-white cardboard