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

Graphite on paper and mounted

Ink and watercolor on paper

Graphite and blue paint on paper

Graphite on paper

Black crayon on paper

Ink and applied label on paper

Black and colored crayons on paper

Colored crayon on paper

Colored marker on paper

Colored marker and watercolor on paper

Graphite on paper

Graphite on paper and mounted