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

Colored marker on paper

Graphite on paper

Watercolor on paper

Watercolor on off-white wove paper

Watercolor and white gouache on off-white wove paper

Graphite on paper

Black marker on paper

Black crayon and ink on paper

Blue and black marker on paper

Graphite, white gouache, and watercolor on cream wove paper, darkened to brown; verso: graphite

Colored marker and black pen on paper

Graphite on paper