Untitled (notes and pen sketches, left page); Untitled ("Blue Sun" sketch, right page)

Charcoal on paper

Graphite on paper

Black ink on tan wove paper

Black and gray crayon on paper

Graphite with pink and blue crayon ; graphite with blue and yellow crayon on pap

Graphite on paper

Black crayon on paper

Graphite on paper

Black, blue and yellow crayon ; black crayon on paper

Black and red marker on paper

Ink, red wash, and gray gouache on paper

Colored marker on paper