View of Mount Soracte from Civita Castellana

Graphite on brown paper

Black ink on tracing paper, darkened and mounted to laid paper

Brown wash on ivory laid paper

Watercolor and graphite on cream wove paper

Black, red and white chalk on blue wove paper, discolored to brown

Watercolor and graphite on paper

Graphite on white wove paper

Black chalk, gray wash, and white opaque watercolor on cream wove paper

Black ink on tracing paper, darkened and mounted to folded laid paper

Watercolor and black chalk on cream wove paper

Black crayon and graphite, squared in black crayon, on off-white antique laid paper; verso: squared in graphite

Graphite and black crayon on off-white antique laid paper; verso: black crayon