Untitled (bleed-through of previous page, left page); Untitled (configurations of perforations in "water cube," right page)

Pastel and graphite on blue laid paper

Black and blue marker on paper

Graphite on graph paper

Black crayon on paper

Black ink on translucent vellum paper

Black and metallic marker on paper

Graphite on off-white antique laid paper

Charcoal on modern laid paper

Graphite on paper

Black and metallic marker and graphite on paper

Gray wash and graphite

Graphite and ink on paper