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

Ink on paper

Black crayon on paper

Red chalk on light-tan antique laid paper, joined and pieced with the artist's corrections on seven additional irregular pieces of the same paper, framing lines in black ink, laid down on a Mariette mount

Black ink over graphite on cream wove paper

Ink and opaque white watercolor on paper

Black chalk with touches of red chalk, squared in black chalk, on dark cream wove paper, laid down

Black crayon and ink on paper

Colored crayons on paper

Black ink and graphite on white paper

Colored crayon on paper

Graphite on paper

Charcoal on buff laid paper