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

Graphite on paper

Black and green marker on paper

Black ink and gray wash on cream laid paper, mounted to brown wove paper

Black and red marker on paper

Colored and metallic marker on paper

Black ink and graphite on white paper

Brown ink, brown wash, black chalk on oiled antique laid paper, incised, framing line in black ink along right, top and bottom edges

Graphite with blue and yellow crayon on paper

Colored marker and opaque watercolor on paper

Graphite on paper

Graphite on off-white wove paper

Blue pen on paper