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

Colored marker and blue ink on paper

Colored marker on paper

Charcoal on paper

Colored marker on paper

Graphite on paper

Black crayon on paper

Black crayon on paper

Graphite on paper

Graphite on paper

Green crayon on paper

Colored crayons on paper

Colored marker and black pen on paper