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

Black chalk and gray wash on brownish-gray prepared paper

Brown wash over graphite on off-white antique laid paper

Black crayon on paper and mounted

Black marker and white opaque watercolor on paper

Watercolor and white gouache over graphite on buff wove paper

Graphite on off-white wove paper

Colored marker and blue pen on paper

Watercolor on cream antique laid paper

Brown and black ink and gray wash on cream antique laid paper, framing line in brown ink

Colored marker on paper

Colored chalk on off-white wove paper

Brown ink and brown wash over black chalk on off-white antique laid paper