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

Black crayon on paper

Graphite and ink on paper

Graphite on paper ; blue crayon on paper

Colored marker and graphite on paper

Black crayon on paper

Black and blue marker on paper

Black and red marker on paper

Graphite on paper

Graphite on paper

Black ink and gray wash on cream wove paper

Graphite on paper

Black marker on paper