Untitled (blank, left page); Untitled (notes with "Rasterbild" sketches, right page)

Colored crayons on paper

Graphite on paper

Graphite on paper

Black crayon on paper

Graphite on paper

Black crayon on paper

Graphite on cream wove paper

Colored marker and black pen on paper

Black crayon on cream wove paper

Watercolor on cream laid paper

Colored marker on paper

Graphite on paper