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

Graphite, fixed, on cream laid paper

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

Gray ink, graphite, and gray wash on cream modern laid paper

Graphite and ink on paper

Graphite on gray-green wove paper

Black marker on paper

Brown ink and brown wash on tan antique laid paper

Colored marker on paper

Brown and green crayon on paper

Black and aqua marker on paper

Black marker on paper

Graphite with colored crayons on paper