Untitled (blank with graphite transfer, left page); Untitled (notes and designs for Condor planes, right page)

Black chalk on cream antique laid paper

Graphite on paper

Watercolor and graphite on off-white laid paper

Transparent and opaque watercolor on antique laid paper

Colored marker on paper

Graphite on buff wove paper; verso: blue ink

Ink on paper

Gouache, charcoal and colored pencil on paper

Unframed drawing; ink on paper

Gouache and graphite on off-white wove paper; black ink and graphite

Brown ink and brown wash on off-white paper