Two sketches for portrait of Derek Bok with President's chair and "The Great Salt": seated facing right

Pastel sketches on ruled paper

Black ink on off-white wove paper

Black ink on off-white wove paper

Sketchbook with cardboard covers and spiral wire binding

Watercolor on off-white wove paper

Brown crayon on off-white laid paper

Blue ink on cream wove paper

Watercolor and white gouache on off-white wove paper

Graphite on cream wove paper

Black crayon and ink on paper

Black ink over graphite on thin tracing paper, mounted to off-white cardboard

Black crayon and ink on paper