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

Brown ink, gouache, and graphite on off-white wove paper with ruled lines

Graphite and black crayon on paper

Graphite on paper

Black ink over graphite on brown wove paper mounted to heavy brown cardboard

Watercolor, black ink, graphite, and black chalk on off-white antique laid paper; verso: graphite

Transparent and opaque watercolor and graphite on off-white wove paper

Charcoal on off-white laid paper

Graphite on paper

Colored marker on paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Graphite on white card