Untitled (blank with color transfer, left page); Untitled (starplane design for Condor, right page)

Graphite on off-white wove paper

Ink, red wash, and gray gouache on paper

Black ink, gray and white gouache, graphite, spots of turquoise ink, on cream wove paper; verso: black ink

Graphite on white wove paper

Black crayon on paper

Graphite on paper

Graphite on paper

Graphite on paper

Graphite on paper

Brown ink and brown wash over touches of black chalk, extensively incised, on cream antique laid paper, framing line at top, right, and left sides and partial brown ink framing line at top, laid down

Graphite on white wove paper