Study for portrait of Derek Bok against panelled wall with President's chair

Black crayon on off-white wove paper

Crayon on discolored cream wove paper

Oil, watercolor and graphite on thin off-white wove paper

Black crayon on thin off-white wove paper

Crayon on paper

Graphite on off-white wove paper

Mixed media on paper

Graphite on paper

Watercolor on off-white wove paper

Crayon on paper

Graphite on off-white card

Ink and colage elements on paper