drawing in the National Gallery of Art (NGA 67351)
drawing by Pirro Ligorio
seat of the Pontificial Academy of Sciences
drawing in the National Gallery of Art (NGA 140453)
palace in Rome, Italy
church in Vatican City
drawing in the National Gallery of Art (NGA 67352)
villa in Tivoli, near Rome, Italy
drawing in the National Gallery of Art (NGA 138340)