Untitled (charcoal transfer, left page); Untitled (study of seated female nude, right page)

Colored marker and watercolor on paper

Graphite on paper

Blue and black marker on paper and translucent film

Black crayon on paper

Black ink on cream wove paper, laid down

Olive, gray and orange crayon on paper

Graphite and red colored pencil on tracing paper

Graphite on paper

Black and gray marker on paper

Graphite on paper

Black ink on paper

Graphite on paper