Untitled (bleed-through of previous page with color transfer, left page); Untitled (sketch of "Charles River Rainbow" with faint color transfer, right page)

Black crayon on paper

Charcoal with extensive stumping on blue modern laid paper

Graphite on paper

Blue crayon on paper

Black wash on tan wove paper

Black chalk and red chalk on cream laid paper, framing lines in black chalk

Black, blue, and silver marker on paper

Black ink and pen on commercially ruled, hole punched paper

Black ink on paper

Charcoal on tan wove paper

Black ink over graphite on off-white wove paper

Graphite on paper