Untitled (adhered sketch of light sculptures, left page); Untitled (adhered sketch of "Neon Cube" and notes, right page)

Graphite on paper

Graphite on cream antique laid paper

Black ink on translucent vellum paper

Graphite on off-white wove paper

Graphite on darkened off-white wove paper

Metalpoint on prepared paper

Graphite on cream wove paper

Color photocopy, red paper, and adhesive on sketchbook paper

Graphite on off-white wove paper

Graphite on cream laid paper

Watercolor and black ink on darkened off-white wove paper

Black ink and gray wash on cream laid paper