Untitled (storehouse in Barntrup, left page); Untitled (portrait of artist's brother [Reinhold], right page)

Colored marker on paper

Graphite, colored pencil, and watercolor on paper

Graphite on paper

Black and red marker on paper

Graphite and colored pencils on paper

Graphite on paper

Black marker on paper

Black and blue crayon on paper

Black crayon on paper

Ink and applied type on paper

Black ink on thin cream wove paper

Graphite on paper