1901
National Gallery of Art, 1936
National Gallery of Art, 1325
National Gallery of Art, 1941
National Gallery of Art, 1976
National Gallery of Art, 1989
National Gallery of Art, 1822
National Gallery of Art, 1612
National Gallery of Art, 1628
National Gallery of Art, 1523
National Gallery of Art, 1986
National Gallery of Art, 1848
National Gallery of Art, 1901
![The Rock of Brother Wolf (Sasso di fra' Lupo) [plate V]](https://api.nga.gov/iiif/be882541-734a-4a17-8311-233b99fcdd60/full/843,/0/default.jpg)
