1500–1549
National Gallery of Art, 1912
National Gallery of Art, 1876
National Gallery of Art, 1935
National Gallery of Art, 1957
National Gallery of Art, 1472
National Gallery of Art, 1914
National Gallery of Art, 1937
National Gallery of Art, 1939
National Gallery of Art, 1967
National Gallery of Art, 1871
![Barbican [reverse]](https://api.nga.gov/iiif/ef1f8aa6-52e2-4459-9028-e23d0b02d6b1/full/843,/0/default.jpg)
![Watchman [preparatory drawing]](https://api.nga.gov/iiif/12a79e2f-981c-4557-bd09-8e8be216a537/full/843,/0/default.jpg)
