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

Brown ink and black chalk on buff paper

Black marker on paper

Graphite on heavy cream wove paper

Graphite on heavy cream wove paper

Graphite and colored crayon on off-white wove paper

Red and black chalk on cream antique laid paper; verso covered with red chalk

parchment

Black ink on tracing paper, darkened and mounted to laid paper

Black marker on paper

Brown ink and brown wash on tan antique laid paper

Graphite on off-white wove paper

Black marker on paper