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

Graphite and purple crayon on paper with torn edges

Black, red, and blue marker on paper

Graphite on paper

Colored crayons on paper

Black crayon on paper

Black and colored crayons on paper

Graphite on paper

Colored crayons on paper and mounted

Graphite on paper

Silverpoint on white wove paper

Black crayon on paper

Graphite and colored pencil on paper