Untitled (blank, left page); Untitled ("NRW Rheinland," right page)

Colored marker on paper

Black crayon on paper

Graphite on paper

Black ink on paper

Colored marker and black pen on paper

Mixed media

Graphite on paper

Colored crayons on paper and mounted

Graphite with blue and yellow crayon on paper

Ink on paper

Graphite on paper

Graphite, colored pencil, white chalk, and charcoal on paper