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

Oil and watercolor over graphite on off-white wove paper

Collage on paper

Graphite on thin off-white wove paper

Album with black cloth-covered cardboard covers, and thirty drawings

Charcoal on blue laid paper

Graphite on paper

Watercolor over graphite on off-white wove paper

Charcoal on cream wove paper; verso: charcoal and graphite

Charcoal and graphite on vellum tracing paper

Black crayon on paper

Black ink and graphite on cream wove paper

Graphite on off-white wove paper