Untitled (notes atop bleed-through of previous page, left page); Untitled (light spectra and prisms, right page)

Graphite on paper

Ink, wash, and graphite on paper

Colored marker on paper

Graphite and colored pencil on paper

Graphite on paper

Graphite on paper

Black marker, adhered paper, and blue pen on paper

Colored crayons on paper

Black crayon on paper

Graphite on paper

Black, blue, and yellow crayon on paper

Blue pen on paper