Untitled (bleed-through of previous page, left page); Untitled (prisms projecting from facade incorporating bleed-through from previous pages, right page)

Graphite on paper

Graphite and colored pencil on paper

Graphite on paper

Colored crayons on paper

Ink, wash, gouache, and collage elements on paper

Colored crayons on paper

Black marker on paper

Graphite with colored crayons on paper

Black ink on translucent vellum paper

Graphite and colored crayons ; graphite on paper

Graphite on paper, mounted

Graphite on paper