View of the Arch of Constantine, seen from the Colosseum

Opaque watercolor and graphite on parchment

Brown ink, brown wash, red, blue, and yellow chalk wash with graphite on cream antique laid paper; remnants of a brown-ink framing line at upper, left, and lower edges; verso: brown ink and gray wash

Brown ink and brown wash over black chalk and graphite with touches of white opaque watercolor on cream antique laid paper

Opaque and transparent watercolor on parchment

Brown ink and brown wash over black chalk, with a framing line in brown ink, on cream antique laid paper

Brown ink, brown wash, black chalk, and later touches of white chalk on light tan antique laid paper prepared with light tan wash, partial framing line in black chalk at upper edge

Brown ink and brown wash over graphite on cream antique laid paper

Brown ink, gray and brown wash, touches of graphite, and white opaque watercolor on cream antique laid paper; verso: brown ink, brown wash, and graphite

Black and white chalk, squared in graphite, on faded blue antique laid paper; verso: black and white chalk counterproof with touches of ochre, with squaring transferred from recto

Brown ink, with later additions of brown, gray, and black ink and wash and touches of white opaque white watercolor, on off-white antique laid paper

Black, yellow, and white chalk, gray wash and charcoal on light tan antique laid paper framing line in brown ink

Brown wash, brown ink ink and later gray wash on cream antique laid paper, laid down onto Asian paper