Untitled (bleed-through of previous page, left page); Untitled (star- and sun plane designs for Condor, right page)

Colored marker on paper

Black crayon on paper

Colored marker, black pen, and graphite on paper

Black and white chalk on blue-gray wove paper

Black and red inks and graphite on tracing paper

Graphite and colored pencil on paper

Black chalk on off-white antique laid paper, laid down on cream laid paper

Red chalk on cream antique laid paper, partial framing lines in brown ink

Charcoal and gray wash with brown ink framing lines on cream antique laid paper

Brown ink over graphite (?) on cream antique laid paper, laid down

Black ink on off-white wove paper

Graphite on paper