Untitled (blank, left page); Untitled (designs for Condor planes, right page)

Colored crayon on paper

Colored marker on paper

Graphite on paper

Black ink on paper

Graphite on white paper

Graphite on off-white wove paper

Black and white chalk on brown paper

Black crayon on paper

Black chalk and gray wash on antique laid paper

Black ink, gray and green wash, and white, gray, and yellow opaque watercolor over black chalk on buff antique laid paper, framing line in brown ink, laid down on thick laid card

Purple, brown, and orange crayon on paper