Untitled (bleed-through of previous page with Einstein head, left page); Untitled (notes, right page)

Black marker on paper

Black chalk and brown wash on cream antique laid paper

Black marker on paper

Black and metallic marker on paper

Graphite on brown laid paper

Graphite on off-white wove paper

Graphite on paper

Graphite with splatters of watercolor on cream wove paper

Charcoal and graphite on off-white paper

Watercolor over graphite on off-white wove paper; verso: watercolor

Graphite and colored pencil on blueline print

Black, olive, and aqua crayon on paper, mounted