Study for portrait of Derek Bok in front of triptych with President's chair

Graphite and gesso on paper

Graphite on paper

Charcoal on off-white laid paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Graphite on paper

Graphite on off-white wove paper

Pastel on paper

Oil on tracing paper

Gouache on acetate film affixed to cardboard

Graphite and crayon on paper

Crayon on paper

Black ink on machine made rag wove paper