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

Black crayon on paper

Brown ink and brown wash over graphite on cream paper

Colored marker and black ink on paper

Brown ink, brown wash and traces of red chalk on cream antique laid paper, laid down overall to cream antique laid decorative mount

Red conté crayon on ivory tracing paper

Red and white chalk on blue wove paper prepared with brown ground

Sketchbook with cardboard back cover, paper front cover, and spiral wire binding

Graphite on paper

Watercolor on ruled off-white wove paper

Watercolor and white gouache on blue wove paper

Black ink on off-white wove paper

Graphite on paper