Untitled (sketch of shipyard along the Weser River in Minden, Germany, left page); Untitled (portrait of the artist's older brother [Reinhold], right page)

Graphite on paper

Graphite on paper

Black crayon on paper

Black marker on paper

Ink, wash, and gouache, spatter-painted, on paper

Graphite on paper

Black marker on paper

Graphite on paper

Colored marker on paper

Colored marker on paper

Graphite on paper

Black crayon on paper