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

Graphite on paper

Black and red chalk on tan antique laid paper

Graphite on paper

Graphite on paper

Colored marker on paper

Black crayon on thin brown wove paper

Watercolor and graphite on cream wove paper

Graphite on paper

Graphite on paper

Graphite with touches of gray ink and watercolor on off-white antique laid paper

Watercolor on off-white wove paper

Black and white chalk on blue-gray wove paper