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

Colored marker on paper

Graphite on paper

Graphite on paper

Black chalk on off-white wove paper

Black pen on paper

Black ink on off-white wove paper

Graphite on off-white wove paper

Crayon on paper

Ink on paper

Charcoal on paper

Black chalk on faded blue laid paper

Colored chalks on cream antique laid paper