Detail of Ceiling, S. Maria in Aracoeli, Rome, Italy

Ink and gouache on paper

Black ink over graphite on off-white laid paper

Charcoal and white chalk on brown laid paper

Crayon on paper

Watercolor on cream wove paper

Watercolor on off-white wove paper mounted to off-white cardboard

Graphite and colored pencil on paper

Black ink on off-white wove paper

Brown and black paint on cream wove paper

Black chalk and charcoal on off-white laid paper

Graphite on tracing paper

Black ink and charcoal on cream laid paper, edges taped