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

Gouache on black preparted parcment

Colored and metallic marker on paper

Black ink on off-white wove paper

Charcoal on white wove paper

Watercolor on paper

Brown and white chalk on off-white wove paper prepared with beige ground

Graphite on off-white wove paper

Brown ink and brown wash on brown antique laid paper

Graphite on paper

Ink and colored crayons ; colored crayons on paper

Crayon on paper