Untitled (bleed-through of previous page, left page); Untitled (design for "water cube" fountain, right page)

Brown and gray ink, gray wash over black chalk on off-white antique laid paper

Colored marker on paper

Watercolor, gouache and acrylic on white wove paper

Black chalk, brown wash, green and rose transparent watercolor, and opaque white watercolor (now darkened) on off-white antique laid paper; framing line in brown ink

Ink on white paper; verso: watercolor

Graphite on light blue wove paper

Blue marker on paper and translucent film

Ink on paper

Black ink and gray wash on cream laid paper, framing lines in black ink, laid down on a decorative mount

Watercolor and pastel with scratchwork on off-white wove paper; verso: graphite

Graphite on off-white wove paper