Untitled (bleed-through of previous page, left page); Untitled (designs for Lightmill in "Zero Raum," right page)

Brown wash over traces of black chalk on off-white antique laid paper

Black and white chalk on discolored blue-gray wove paper

Black ink and colored chalk on off-white wove paper; verso: black ink

Graphite on paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Blue marker on paper

Red chalk, gray wash, and graphite, framing lines in graphite and black ink, laid down on a decorated mount

Graphite on paper

Colored marker, opaque watercolor, and black pen on paper

Black marker on paper