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

Black marker on paper

Colored marker and black ink on paper

Black chalk on parchment

Graphite on prepared board

Graphite on paper

Black and white chalk on buff antique laid paper (recto and verso)

Graphite on paper

Colored and metallic marker on paper

Colored marker on paper

Green crayon on cream wove paper

Black and brown ink and gray wash on off-white antique laid paper, framing lines in gray and brown ink

Watercolor over graphite on heavy cream wove paper (recto and verso)