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

Black crayon on paper

Black marker on paper

Brown ink and brown wash on off-white antique laid paper

Colored marker on paper

Graphite on paper

Colored pencil, colored crayon, red and black inks, graphite, on tan wove paper

Red chalk on cream antique laid paper

Four sketches in polychrome and ink

Brown ink on cream antique laid paper

Black ink and yellow chalk on translucent buff wove paper

Brown ink over graphite on parchment

Colored marker on paper