1967
National Gallery of Art, 1789
National Gallery of Art, 1840
National Gallery of Art, 1598
National Gallery of Art, 1978
National Gallery of Art, 1575
National Gallery of Art, 1866
National Gallery of Art, 1898
National Gallery of Art, 1939
National Gallery of Art, 1600
National Gallery of Art, 1891
National Gallery of Art, 1618
National Gallery of Art, 1990
![Gregory XIII (Ugo Buoncompagni, 1502-1585), Pope 1572 [obverse]](https://api.nga.gov/iiif/c978870c-e444-4f1e-8eb1-748758ad2abd/full/843,/0/default.jpg)
![Lost-Wax Casting Display: clay model reduced by thickness of final bronze [fourth of ten steps]](https://api.nga.gov/iiif/5e4601cf-bb18-4295-aeca-a24ce7ca450a/full/843,/0/default.jpg)