Untitled (adhered sketches of light sculptures, left page); Untitled (adhered sketches of light sculptures from 1972, right page)

Graphite on heavy white wove paper

Black chalk or charcoal and brown wash on off-white antique laid paper, traces of a framing line in brown ink; verso: black chalk and brown wash

Brown ink, brown wash, and white and gray opaque watercolor over black chalk on off-white antique laid paper, partial framing line in graphite and mounted overall to wove paper

Brown ink over graphite on heavy off-white wove paper

Black and white chalk on blue-gray wove paper; verso: black chalk

Colored marker on paper

Black crayon on cream wove paper

Off-white wove paper

Black ink on off-white card

Ink on paper

Colored crayon on paper

Graphite with yellow crayon on paper