Study of head for portrait of Derek Bok, facing right

Black crayon on gray wove paper

Brown ink on pink laid paper

Graphite, gouache, crayon, and silver and black ink on white wove paper

Black ink on off-white wove paper (recto and verso)

Graphite and etching ink on cream paper

Watercolor and black ink on heavy off-white wove paper

Black crayon and ink on paper

Graphite on brown wove paper

Gouache over black chalk on off-white wove paper

Black ink and white gouache over graphite on off-white wove paper

Leather bound sketchbook

Black ink with extensive scratchwork on white scratchboard