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

Graphite on paper

Blue marker and black pen on paper

Gray and red marker on paper

Colored marker on paper

Black crayon on envelope

Crayon on paper

Graphite on paper

Graphite with blue and red crayon on paper

Colored marker on paper

Graphite and purple crayon on paper with torn edges