Untitled (bleed-through of previous page, left page); Untitled (starplane design for Condor, right page)

Graphite on paper

Graphite on off-white wove paper

Watercolor, black ink and graphite on off-white wove paper

Black chalk on yellow wove paper

Gouache and black ink over graphite on gray-blue wove paper

Black pen on paper

Pen and black ink, brown wash on beige paper

Ink with wash and applied type on paper

Colored marker on paper

Black and brown pencil on off-white wove paper; verso: graphite and brown pencil

Graphite, brown ink, and brown wash on cream antique laid paper

Black chalk over red chalk on off-white antique laid paper