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

Black marker on paper

Graphite on off-white wove paper

Charcoal and gray wash with brown ink framing lines on cream antique laid paper

Watercolor and white gouache over graphite on heavy off-white wove paper

Graphite on paper

Black and red chalk with touches of black-ink wash on cream antique laid paper, framing lines in brown ink and red chalk, laid down on cream antique laid paper

Black and red chalk on off-white antique laid paper, framing line in black chalk; verso: stray black chalk marks

Graphite on off-white wove paper

Pastel

Colored crayons on paper

Black crayon on paper

Colored marker on paper