View of Nero's aqueduct, Rome1823 · Etchingsheet: 21 3/4 x 30 1/2 in. (55.3 x 77.5 cm) plate: 17 1/4 x 21 1/16 in. (43.8 x 53.5 cm)The Metropolitan Museum of Art
View of the Quirinal Hill in Rome with the fountain of the horse tamers at left, from "Le Antichita di Roma"1822 · EtchingSheet: 19 1/2 x 29 7/16 in. (49.6 x 74.7 cm) Plate: 17 1/4 x 27 13/16 in. (43.8 x 70.6 cm)The Metropolitan Museum of Art
View of the ancient aquaduct and fountains situated near the Chiavica del Bufalo in Rome, from "Le Antichita di Roma"1822 · Etchingsheet: 19 9/16 x 28 7/16 in. (49.7 x 72.3 cm) plate: 14 5/16 x 18 1/8 in. (36.4 x 46 cm)The Metropolitan Museum of Art
The Arch of Septimus Severus1820 · Etching on off-white wove paperImage: 46 × 64.1 cm (18 1/8 × 25 1/4 in.); Plate: 46.7 × 65.2 cm (18 7/16 × 25 11/16 in.); Sheet: 51.3 × 68.8 cm (20 1/4 × 27 1/8 in.)Art Institute of Chicago