Untitled (bleed-through of previous page, left page); Untitled (design for "Lichtplastik," right page)

Watercolor on paper

Graphite, squared, on thin cream laid paper

Black marker on paper

Black ink on paper

Black ink, gray wash, and white gouache, over traces of black chalk on light tan antique laid paper, framing lines in black chalk, laid down on heavy tan antique laid paper

Watercolor over graphite on heavy cardboard, waxed

Colored marker on paper

Graphite on paper, mounted

Black crayon on cream wove paper

Charcoal on cream laid paper

Black and red marker on paper

Graphite on paper