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

Graphite with blue and yellow crayon on paper

Colored marker on paper

Colored marker on paper

Brown ink and brown wash, with some red chalk, on off-white antique laid paper

Ink and applied type on paper

Black ink on vellum

Colored marker and black pen on paper

Black crayon, squared in black crayon, on off-white antique laid paper

Graphite with black and blue crayon on paper

Black pen on paper

Graphite on off-white antique laid paper

Colored marker on paper