Untitled (blank, left page); Untitled (view down Steinweg in Lübbecke, right page)

Blue ink on paper

Charcoal on paper

Graphite on paper

Black pen on paper

Black crayon on paper

Black crayon on tan wove paper

Graphite and colored pencil on paper

Blue crayon on paper

Graphite with green, blue and brown crayon on paper

Ink and graphite on paper

Graphite on paper

Graphite on paper