1780
National Gallery of Art, 1880
National Gallery of Art, 1902
National Gallery of Art, 1950
National Gallery of Art, 1897
O'Brien, John, Mr., 1600
National Gallery of Art, 1810
National Gallery of Art, 1620
National Gallery of Art, 1937
National Gallery of Art, 1455
National Gallery of Art, 1997
National Gallery of Art, 1621
National Gallery of Art, 1883
![The Little Bridge [recto]](https://api.nga.gov/iiif/c4f7abe7-ae4c-4776-8612-3a4a72453df9/full/843,/0/default.jpg)
![Pietro Barbo, 1417-1471, Cardinal of San Marco 1455, Pope Paul II 1464 [obverse]](https://api.nga.gov/iiif/821b455e-850e-470e-9d7f-ba58a8fe85aa/full/843,/0/default.jpg)
![Study VI, New York Harbor [recto, # 10, gray-brown]](https://api.nga.gov/iiif/9c398f08-33c2-4f43-ad90-4353715603b2/full/843,/0/default.jpg)
