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

Black marker on paper

Black and colored crayons on off-white wove paper

Graphite on paper

Graphite on off-white wove paper

Black crayon on paper

Brown ink over red chalk on white antique laid paper; verso: red chalk

Graphite on off-white wove paper

Transparent and opaque watercolor on cream antique laid paper

Sketchbook with cardboard backing, heavy paper cover, and spiral wire binding

Red marker, blue ink, paper, and adhesive on paper

Colored marker on paper

Colored marker on paper