Untitled (blank, left page); Untitled (Wilhelm Roentgen sketch, right page)

Colored marker and black pen on paper

Black, brown, and blue crayon on paper

Colored marker on paper

Graphite on paper

Ink, stamps, and spatter paint on paper

Black and red marker on paper

Colored crayons on paper

Graphite, watercolor, and black ink on thin cream card

Charcoal on paper

Graphite on paper

Black crayon on paper

Graphite on paper