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

Colored crayons on paper

Colored marker on paper

Black marker on paper

Graphite on off-white wove paper

Black ink on tracing paper, darkened and mounted to laid paper

Black ink on off-white wove paper

Black marker, paper, adhesive, and colored marker on paper

Graphite on buff wove paper

Black crayon on paper

Black and red crayon on thin off-white wove paper

Red chalk on illustration board

Watercolor over graphite on off-white wove paper