Untitled (bleed-through of previous page and color transfer, left page); Untitled (pavillion design for Bonn competition and color transfer, right page)

Black and white chalk on tan antique laid paper, laid down on off-white antique laid paper covered with blue wove paper, framing lines in black ink

Black chalk on gray-blue antique laid paper

Graphite on slightly darkened off-white wove paper

Black marker on paper

Black chalk, black ink, gray wash, and white opaque watercolor, with a framing line in brown ink, on cream antique laid paper, prepared with brown wash

Ink on paper

Colored marker on paper

Graphite on off-white wove paper

Charcoal on cream laid paper

Black marker on paper

Charcoal on gray-blue laid paper