Untitled (bleed-through of previous page, left page); Untitled (Gottfried Wilhelm Leibniz, right page)

Black crayon on paper

Black marker on paper

Graphite on paper

Colored marker on paper

Graphite on paper

Graphite on paper

Black and pink crayon on paper

Black crayon on paper

Blue crayon on paper

Black crayon on paper

Colored marker on paper

Graphite with orange and gray washes on paper