Untitled (blank with color transfer, left page); Untitled (starplane design for Condor, right page)

Black ink and watercolor on thin cream wove paper; verso: watercolor and crayon

Blue crayon on paper

Brown ink and brown and gray-brown wash on cream modern laid paper; verso: black chalk and black ink

Colored crayon and scratchwork on off-white illustration board

Black crayon on paper

Unmounted drawing: ink and color on paper

Graphite on tan paper

Black crayon and black ink on white wove paper with prepared texture

Graphite on paper and mounted

Black and white chalks on off-white paper prepared with gray ground

Graphite on paper

Pen and ink on cream colored paper