Untitled (bleed-through of previous page, left page); Untitled (sculpture design set in Kendall Square, right page)

Graphite on yellowed tracing paper

Black crayon on paper

Black marker and black pen on paper

Graphite on off-white wove paper

Watercolor and graphite on off-white wove paper

Black chalk and charcoal on off-white laid paper

Red chalk with touches of graphite; verso: red chalk

Black ink and gray wash on off-white laid paper, laid down

Graphite on paper

Colored marker on paper

Brown ink on ivory laid paper

Blue, green and brown crayon on paper