Two studies for portrait of Derek Bok of original composition (on same sheet): seated figure facing forward; seated figure facing right

Black crayon and graphite on cream wove paper

Black conté crayon on ivory tracing paper

Watercolor on three sheets of overlapping white wove paper

Black ball-point ink on off-white tracing paper

Graphite on paper

Black and gray ink, gray and brown wash, and graphite on cream wove paper

Graphite on off-white wove paper

Watercolor, white gouache and black ink on off-white wove paper

Graphite on off-white wove paper

Charcoal on cream laid paper

Black ink, graphite, and colored chalk on translucent buff wove paper

Black chalk on blue laid paper