Untitled (calculations and bleed-through of previous page, left page); Untitled (calculations for rainbow design, right page)

Colored marker on paper

Colored marker and adhesive tape on paper

Colored marker on paper

Black and blue marker on paper

Graphite and colored pencil on paper

Transparent and opaque watercolor over graphite on cream wove paper

Black crayon on paper

Black crayon on paper

Watercolor on cream laid paper

Green crayon on paper

Paper

Black marker on paper