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

Black crayon, squared in black crayon, on off-white antique laid paper

Brown ink over black chalk on cream antique laid paper; verso: brown ink

Graphite on paper

Transparent and opaque watercolor and black and red chalk on parchment

Watercolor and black ink on beige antique laid paper, mounted overall; framing line in brown ink

Graphite and brown wash on cream paper

Graphite on off-white tracing paper

Brown ink over black chalk on cream antique laid paper

Black and aqua crayon on paper

Red chalk, brown ink and brown and gray wash on white antique laid paper

Graphite on paper

Pen and black ink, with brush and gray and brown wash, over traces of black chalk on off-white antique laid paper, adhered to cream wove paper, framing lines in black ink and graphite