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

Brown ink on cream antique laid paper; verso: black chalk and brown ink

Charcoal on off-white laid paper

Black ink

Charcoal on off-white laid paper

Graphite on off-white wove paper

Black crayon on paper

Ink on paper

Ink on paper

Crayon on paper

Black ink and charcoal on cream laid paper

Ink on paper

Brown ink with traces of black chalk on cream antique laid paper prepared with brown wash, laid down overall to thick cream antique laid paper