2002
National Gallery of Art, 1840
National Gallery of Art, 1889
National Gallery of Art, 1582
National Gallery of Art, 1916
National Gallery of Art, 1935
National Gallery of Art, 1645
National Gallery of Art, 1903
National Gallery of Art, 1940
National Gallery of Art, 1445
National Gallery of Art, 1944
National Gallery of Art, 1920
National Gallery of Art, 1803
![Gregory XIII (Ugo Buoncompagni, 1502-1585), Pope 1572 [obverse]](https://api.nga.gov/iiif/b4d44534-29b7-4d7b-96a7-acea17f6b5ab/full/843,/0/default.jpg)
![Study of Heads [verso]](https://api.nga.gov/iiif/f6326b01-640f-4da4-8965-aa556f9f1225/full/843,/0/default.jpg)
![a) Nude Woman [recto]; b) Nude [verso]](https://api.nga.gov/iiif/f2cf9a99-717e-4bc5-8d2d-42d7c06764ff/full/843,/0/default.jpg)
