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

Black ink, watercolor, and metallic paint over graphite on buff wove paper

Graphite on paper

Brush and ink and gray wash over graphite

Transparent and opaque watercolor and black chalk on parchment

Black chalk on off-white laid paper

Graphite on paper

Graphite on paper

Graphite on paper

Incised line and Aquarelle on white wove paper

Graphite and colored pencil on paper

Black, blue, and red marker on paper

Graphite on paper