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

Watercolor and white gouache over graphite on buff laid paper

Graphite on white wove paper

Graphite on paper

Black ink, opaque watercolor and gold with marbled paper border

Graphite and applied typescript on paper

Graphite on paper

Ink on paper

Black marker on paper

Black chalk with traces of white chalk; verso: black chalk with traces of graphite on light-tan antique laid paper

Colored chalks over graphite on buff cardboard

Graphite on off-white wove paper