Untitled (notes, left page); Untitled ("Watts Towers," right page)

Black crayon on paper

Graphite on envelope

Graphite on off-white wove paper

Colored marker on paper

Black and green marker on paper

Black pen and watercolor stain on paper

Black crayon on paper

Blue marker on paper

Black ink and opaque watercolor with traces of graphite on cream wove paper

Colored crayons on paper

Black marker on paper

Graphite on paper