Untitled (bleed-through of previous page with adhered note, left page); Untitled (adhered sketch and advertisement for Piene's Obscure project, right page)

Graphite on paper

Black, white and colored chalks on blue paper

Graphite, chalk, and wax on white wove paper

Sketchbook with black paper-covered cardboard covers and leather spine

Colored marker on paper

Brown ink, brown wash and graphite or black chalk on cream antique laid paper

Ink and wash on paper

Blue and black marker on paper and translucent film

Charcoal on cream laid paper

Black ink and graphite on off-white wove paper

Black ink