Tower, Turin Cathedral

Black ink on white tracing paper

Charcoal and black crayon with stumping, scratchwork and lifting on buff wove paper

Graphite on paper

Brown ink and blue wash on antique laid paper, squared in black chalk

Graphite on pale gray-blue paper

Black chalk with scraping on cream wove paper

Gray wash over black chalk on cream antique laid paper

Watercolor, black ink, graphite, and black chalk on off-white antique laid paper

Colored marker and blue pen on paper

Charcoal

Graphite on thin off-white wove paper

Black marker on paper