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

Colored marker on paper

Spiral bound sketchbook

Ink on paper

Brown ink and brown wash, traces of black chalk, heightened with white gouache, on blue antique laid paper

Black pen on paper

Graphite on paper

Graphite on paper

Charcoal on paper

Graphite on paper

Ink on paper

Charcoal on paper

Black crayon on paper