Untitled (sketch by artist's daughter, left page); Untitled (bleed-through, right page)

Colored marker on paper

Graphite on paper

Graphite on paper

Colored marker and black pen on paper

Black marker and white opaque watercolor on paper

Graphite on paper

Black marker on paper

Graphite on paper

Watercolor, gouache, and black ink on off-white wove paper

Black crayon on paper

Black, blue, red, and ochre chalk on buff modern laid paper

Graphite and crayon on paper