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

Three unmounted drawings: ink on paper

Watercolor and charcoal on heavy white wove paper

Graphite and colored pencil on paper

Graphite on paper

Graphite with blue, green, and black crayon on paper

Black marker on paper

Graphite on tracing paper

Graphite on paper

Colored marker on paper

Colored marker on paper

Black crayon ; red crayon on paper

Mixed media