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

Black ink on cream machine made wove paper

Black ink on cream wove paper

Graphite on buff wove paper

Mixed media on paper

Black crayon on off-white wove paper

Black ink on thin off-white wove paper

Transparent watercolor on cream wove paper

Oil, graphite, and black and green crayon on cream illustration board

Graphite on cream wove paper

Watercolor on off-white wove paper

Black ink on gray-green laid paper, set down overall to brown cardboard

Watercolor and white gouache over graphite on heavy off-white wove paper