Untitled (bleed-through of previous page, left page); Untitled ("Charles River Rainbow," right page)

Graphite, colored pencil, blue ink, on vellum

Charcoal on off-white laid paper

Graphite on off-white wove paper

Graphite on paper

Graphite on buff wove paper

Black ink on off-white illustration board

Black crayon on paper

Watercolor over graphite on off-white wove paper

Colored marker and graphite on paper

Colored marker on paper

Graphite on off-white wove paper

Charcoal and graphite on off-white laid paper