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

Black ink, gray wash, opaque watercolor over graphite on cream wove paper

Collage of cut blue wove paper on yellow-brown wove paper

Charcoal, chalk, oil on paper

Black ink on paper

Graphite on paper

Black crayon on paper

Crayon on paper

Graphite on paper

Charcoal on paper

Black, pink and brown crayon on paper

Colored marker on paper