Ancient Aqueduct at the Porta Pio, Rome

Brown ink and brown and gray-brown wash on cream modern laid paper; verso: black chalk and black ink

Brown ink, brown and gray wash, black chalk, and white gouache on cream antique laid paper, partial framing lines in black chalk, laid down on a decorated mount

Black and white chalk on light tan antique laid paper

Watercolor and black ink over traces of graphite on off-white antique laid paper, adhered to cream antique laid paper

Red chalk on cream antique-laid paper, laid down on cream antique laid paper

Black crayon, graphite and white gouache on cream antique laid paper mounted to commercially prepared board

Brown ink on off-white antique laid paper; verso: brown ink, brown wash, and red chalk

Graphite and brown wash on white wove paper.

Black ink, gray wash, and graphite on cream antique laid paper, adhered to cream antique laid paper

Verso: watercolor and black ink over traces of graphite on cream antique laid paper

Red chalk on cream antique laid paper, framing lines in red chalk