Untitled (blank, left page); Untitled (notes on "Planeten" with sketches, right page)

Colored marker on paper

Graphite on paper

Black marker on paper

Colored marker and black pen on paper

Ink and graphite on paper

Black ink, charcoal, and watercolor on cream laid paper

Black crayon on paper

Graphite on paper

Graphite on paper

Graphite and watercolor on paper

Graphite on paper

Black ink, watercolor, and graphite traces on off-white wove paper