Untitled (drawing by Piene's daughter, left page); Untitled (bleed-through of following page with title for drawing, right page)

Graphite on paper

Black and blue crayons on off-white wove paper

Colored marker and ink on paper

Graphite on paper

Ink and colored crayons ; colored crayons on paper

Graphite on paper

Graphite and blue crayon on paper

Black crayon on paper

Black and aqua marker on paper

Black and red marker on paper

Colored marker on paper

Red marker and black pen on paper