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

Colored marker and black pen on paper

Graphite on off-white tracing paper

Metalpoint on prepared paper

Black crayon on paper

Black crayon on paper

Graphite with colored crayon ; graphite on paper

Colored marker on paper

Watercolor and black chalk on heavy off-white wove paper

Graphite on white wove paper

Brown ink and brown wash on cream laid paper

Graphite on paper

Charcoal on cream laid paper