Untitled (bleed-through from previous page with graphite transfer, left page); Untitled (designs for Condor planes, right page)

Red and metallic marker, black pen, and opaque watercolor on paper

Graphite on paper

Charcoal on paper

Ink on slide film, hand colored

Black crayon on paper

Brown and black ink over graphite on cream paper, darkened

Graphite on paper

Carbon copy, black marker, and adhesive on paper

Colored marker on paper

Graphite on yellowed tracing paper

Graphite on paper

Crayon on black illustration board