Untitled (bleed-through of previous page and color transfer, left page); Untitled (pavillion design for Bonn competition and color transfer, right page)

Colored crayons on paper

Black marker on paper

Sketchbook with beige cloth-covered cardboard covers

Graphite

Black wash, watercolor, black chalk, gold and silv er paint on off-white antique laid paper

Gouache on off-white wove paper

Charcoal on cream wove paper

Colored marker, paper, and adhesive on paper

Ink on paper

Graphite and black chalk on off-white antique laid paper

Ink on paper