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

Charcoal on off-white laid paper

Black ink with graphite inscriptions on white wove paper

Black ink and white gouache on cream wove paper

Graphite on cream wove paper; verso: same

Charcoal on blue laid paper

Black ink and graphite on off-white wove paper

Black ink and pen on paper

Watercolor over graphite on off-white wove paper

Black ink, gray wash, and graphite on off-white laid paper

Watercolor and black ink over graphite on off-white wove paper

Crayon on paper

Black ink on cream wove paper