Untitled (blank, left page); Untitled (Nietzsche-Bau, right page)

Colored marker on paper

Colored marker on paper

Colored crayons on paper

Graphite and colored crayons ; graphite on paper

Ink, blue wash, and applied type on paper

Colored marker and black pen on paper

Colored crayon on paper

Graphite and blue crayon on paper

Graphite on paper

Pigment, paraffin, transparent paper

Graphite with blue and yellow crayon on paper

Blue and black marker, orange paper, and adhesive on paper