Untitled (bridge over Weser River in Minden, left page); Untitled (seated male figure at table, right page)

Black crayon on paper

Paper

Black crayon on paper

Graphite on paper with irregular edges

Black fiber-tip ink on off-white wove paper

Black crayon on paper

Graphite on paper

Ink and applied type on paper

Graphite on paper

Ink, red wash, and gray gouache on paper

Graphite on paper

Graphite on paper