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

Brown ink, brown wash and white gouache, with minimal black chalk underdrawing, on cream antique laid paper

Graphite on off-white wove paper

Graphite on paper

Brown ink, brown wash, and white gouache over black chalk on gray-green antique laid paper, squared in black chalk

Graphite and colored pencil on paper

Graphite on paper

Red and white chalk on off-white wove paper prepared with brown ground

Colored marker on paper

Black ink on blue wove paper

Paper

Graphite on paper

Black crayon on paper