Study of head for portrait of Derek Bok, facing centre

Graphite and watercolor on off-white wove paper

Watercolor and graphite on cream wove paper

Black ink on off-white wove paper

Silverpoint on gesso panel

Black ink, black and gray wash, over a cyanotype on white wove paper

Graphite on heavy off-white wove paper

Black ink on cream wove paper; verso: black ink and graphite

Watercolor over graphite on off-white wove paper; verso: graphite

Black ink on thin buff wove paper

Watercolor on ruled off-white wove paper

Brown wash over graphite on off-white wove paper

Graphite on cream laid paper