Untitled (blank, left page); Untitled (design for "water cube" fountain, right page)

Watercolor on blue wove paper

Black crayon on off-white wove paper

Colored marker on paper

Colored markers on graph paper

Ink and applied type on paper

Ink on paper

Graphite and colored crayons on paper

Red chalk on cream antique laid paper; verso: red chalk

Graphite on off-white wove paper

Graphite on cream wove paper, darkened

Transparent and opaque watercolor on off-white wove paper