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

Black ink on verso of letter

Colored marker on paper

Colored marker on paper

Crayon on paper

Watercolor over graphite on cream laid [?] paper

Charcoal on blue laid paper

Black and white chalk on tan antique laid paper

Brown ink and brown and gray wash on antique laid paper

Graphite on off-white wove paper

Ink and light color on paper

Colored chalks over black chalk and graphite on off-white antique laid paper, framing lines in black ink, laid down on a decorated mount

Graphite and brown wash on cream paper