Sketch of the Profile of a Woman; Mathematical Calculations

Pastel on wove paper

Graphite on paper

Crayon on paper

Graphite and ink on translucent wove paper

Watercolor and graphite on off-white wove paper, mounted to cardboard

Watercolor and black crayon on off-white wove paper

Watercolor on heavy buff wove paper

Blue marker and graphite on white wove translucent paper

Graphite on off-white tracing paper mounted to white wove paper

Graphite on paper

Graphite on off-white wove paper

Colored pencil on off-white card