Study for portrait of Derek Bok with " Perugino" triptych in background: seated figure facing right with chair

Graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor and white gouache on blue wove paper; verso: watercolor and graphite

Graphite and colored pencil on cream wove paper

Charcoal on faded blue laid paper

Pastel on blue wove paper

Graphite on paper

Graphite on paper

Pastel, black and gray wash and collage on white wove paper

Watercolor and graphite on white wove paper

Graphite on off-white wove paper

Graphite on paper