Untitled (blank, left page); Untitled (designs for Condor planes, right page)

Brown ink and gray wash over graphite on off-white antique laid paper, remounted

Graphite and pink wash on cream wove paper

Charcoal on off-white wove paper; verso: charcoal and graphite

Brown wash and graphite on off-white antique laid paper

Black crayon on paper

Graphite on paper

Black, brown and gray wash on cream antique laid paper

Graphite on gray/blue paper, mounted on board

Graphite on paper

Brown ink, brown wash over graphite (?) on off-white antique laid paper

Black ink on off-white wove paper