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

Graphite on off-white wove paper

Charcoal, black pastel and blue chalk on white wove paper

Mixed media on paper

Graphite on paper

Blue, purple and brown crayon on paper

Black and colored crayons on paper

Graphite and black crayon on off-white wove paper; verso: black crayon

Black ink and graphite on white wove paper

Watercolor on cream wove paper

Black ink and charcoal on cream laid paper

Black chalk on cream modern laid paper