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

Colored chalk on gray-green wove paper

Colored marker on paper

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

Graphite on off-white wove paper

Watercolor on off-white wove paper

Colored marker on paper

Black marker on paper

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

Graphite on paper

Graphite on paper

Black ink, gouache, crayon, graphite, collage and scratchwork on prepared board

Graphite on blue wove paper