Untitled (bleed-through of previous page, left page); Untitled (designs for Condor planes, right page)

Watercolor and metallic paint over graphite on illustration board

Graphite on paper

Brown ink and gray wash on tan antique laid paper

Graphite, ink, and opaque watercolor on paper cardstock

Graphite on cream paper

Black and white chalk on blue-gray wove paper

Red, black, white and yellow chalk, with the red chalk moistened with water or oil, white and red opaque watercolor on oatmeal paper, framing line in black ink, laid down

Black crayon on envelope

Graphite on off-white wove paper

Charcoal on paper

Graphite on coated off-white wove paper

Colored marker on paper