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

Graphite on off-white wove paper

Black ink, gouache, graphite, and black crayon(?) on cream wove paper, framing line in purple ink

Black ink on thick off-white wove card

Graphite on paper

Black ink and gray wash on tan wove paper

Graphite and ink on paper

Graphite on off-white wove paper

Graphite on paper

Graphite and colored pencil on paper

Green watercolor and black ink on off-white wove paper

Watercolor over graphite on off-white wove paper

Graphite and white gouache on buff wove paper