Untitled (bleed-through of previous page, left page); Untitled (bridge [over Main River in Frankfurt], right page)

Sketchbook with cardboard covers and spiral wire binding

Graphite on paper

Transparent and opaque watercolor over graphite on cream antique laid paper

Graphite on darkened off-white wove paper

Gray ink, gray and brown wash on white laid paper, laid down to blue antique paper

Brown ink and gray wash over graphite on off-white paper, laid down

Graphite on off-white wove paper

Graphite on paper

Colored marker on paper

Black chalk on off-white antique laid paper

Gray marker on paper

Colored marker and black pen on paper