Untitled (bleed-through of previous page with notes, left page); Untitled ("Laser Tower," right page)

Colored marker and opaque watercolor on paper

Blue marker on paper

Brown ink on cream antique laid paper

Acrylic over graphite on white wove paper

Graphite, charcoal, black ink and gray wash on off-white wove paper

Graphite on off-white wove paper

Graphite on paper

Charcoal, graphite and brown/black ink on white paper

Graphite on paper

Transparent watercolor and graphite on off-white paper

Black ink and brown chalk on buff laid paper

Black and white chalk on buff laid paper; verso: black chalk