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

Black crayon on paper

Black crayon on paper

Black crayon on paper

Graphite on paper

Graphite on cream wove paper

Blue ink on paper

Colored marker and graphite on paper

Black ink on cream wove paper

B/w photocopy, black marker, and adhesive on paper

Ink and applied type on paper

Graphite on paper

Colored marker on paper