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

Green and brown crayon on paper

Black ink, graphite, and yellow chalk on thin buff wove paper

Graphite on off-white wove paper

Colored marker on paper

Brown ink, brown wash over black chalk, squared in black chalk, on tan antique laid paper

Graphite on paper

Brown ink and brown wash with traces of black chalk on cream antique laid paper; verso: black chalk, drum-mounted to antique laid paper decorated mount

Graphite on laid paper

Graphite on off-white wove paper

Brown ink over black chalk on light tan antique laid paper, mounted on antique laid paper; verso: traces of black chalk

Transparent and opaque watercolor over traces of black chalk on off-white wove paper

Mixed media