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

Black ink on thin cream wove paper

Brown ink over graphite on cream wove paper

Colored marker on paper

Black-brown ink on white wove paper

Brown ink, brown wash and graphite, framing lines in graphite, blue and red crayon. on cream wove card

Watercolor over acrylic (?) on paper

Charcoal on paper

Graphite, and transparent and opaque watercolor on white wove paper

Black and blue marker on paper

Line-cut with watercolor (hand-colored proof)

Pastel on off-white laid paper

Graphite on buff wove paper