Untitled (blank, left page); Untitled (notes with illustrations, right page)

Colored marker on paper

Colored marker on paper

Graphite on off-white wove paper

Graphite and colored pencil on paper

Black crayon on paper

Graphite on scored card, annotations in brown ink

Colored crayons on paper ; black crayon on paper

Graphite on paper

Black crayon on paper

Black marker on paper

Graphite on paper

Ink, graphite, and colored washes on paper