Untitled (notes, left page); Untitled (calculations and notes, right page)

Solvent on printed paper

Graphite and ink on paper

Graphite on paper

Graphite on paper

Colored marker on paper

Watercolor on mulberry paper

Black crayon on paper

Ink, wash, and graphite on paper

Colored marker and blue pen on paper

Red marker and graphite on paper

Black and red marker on paper

Black marker on paper