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

Graphite on paper

Graphite on paper

Pastel and graphite on white wove paper

Colored marker on paper

Black ink on frosted mylar

Black ink, watercolor, white gouache, graphite on cream card, darkened to brown

Ink on paper

Brown ink and wash over graphite on cream laid paper

Graphite on paper

Graphite on off-white wove paper

Watercolor, gouache, black chalk, and graphite on three joined sheets of white wove paper

Graphite and brown wash on off-white wove paper