Untitled (bleed-through of previous page with text, left page); Untitled (text and cityscape [Frankfurt], right page)

Colored marker on paper

Graphite, brown ink, heightened with white on beige paper

Sketchbook with beige cloth-covered cardboard covers

Graphite on gray-yellow paper

Blue, black and red crayon on paper

Watercolor and gouache on dark cream antique laid paper

Charcoal on cream laid paper

Graphite on paper

Graphite on paper

Charcoal on cream laid paper

Colored marker on paper