Study for portrait of Derek Bok with terra cotta Madonna: seated figure facing right next to President's chair

Graphite on off-white wove paper

Black ink on cream wove paper

Black chalk over graphite on brown wove paper

Black crayon on off-white wove paper

Black ink on off-white wove paper

Brown ink and brown wash on cream wove paper

Graphite on paper

Charcoal and purple and white chalk on brown wove paper

Black ball-point ink on cream wove paper; verso: same

Graphite on paper

Charcoal on off-white laid paper

Black ink on off-white wove paper