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

Black crayon on paper

Black pen on paper

Brown ink on cream antique laid paper; verso: brown ink and black chalk

Colored marker on paper

Graphite on off-white wove paper

Watercolor and gouache on darkened buff wove paper

Black marker on paper

Black marker on paper

Graphite on paper

Graphite and white gouache on tan wove paper

Black crayon and ink ; black crayon on paper

Graphite on yellow paper