Study for portrait of Derek Bok against panelled wall with President's chair

Black ink, charcoal, and watercolor pencil on cream laid paper

Multiple drawing media, including graphite, pastel, chalk, felt-tip marker, metallic crayon (?), ball point ink, colored pencil, colored crayon; collage including tracing paper, yellow lined paper, graph paper, paper with white ground, tan paper, linen tape

Watercolor on ruled off-white wove paper

Graphite and gesso on paper

Charcoal on off-white laid paper

Charcoal on off-white wove paper

Graphite on paper

Watercolor over graphite on white wove paper

Graphite and singe marks on white wove paper

Graphite on paper

Black, blue and green crayon on paper

Gouache on illustration board