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

Red and white chalk with traces of graphite on tan antique laid paper; verso: darkened

Black crayon on cream wove paper

Colored and metallic marker on paper

Sketchbook with black paper-covered cardboard covers

Graphite on paper

Graphite on off-white wove paper

Black crayon on paper

graphite, India ink, colored pencil, charcoal, watercolor and gouache, on four separate sheets of wove paper, collaged onto brown paper mat

Graphite on paper

Black chalk, watercolor, gouache, and gold paint on parchment

Black chalk on off-white antique laid paper; verso: black chalk counterproof, possibly worked up in black chalk

Colored marker and black pen on paper