1983
National Gallery of Art, 1939
National Gallery of Art, 1935
National Gallery of Art, 1879
National Gallery of Art, 1937
National Gallery of Art, 1961
National Gallery of Art, 1965
National Gallery of Art, 1941
National Gallery of Art, 1981
National Gallery of Art, 1903
National Gallery of Art, 1490
National Gallery of Art, 1612
National Gallery of Art, 1940
![The Mass of Saint Gregory [recto]](https://api.nga.gov/iiif/4d23fcb3-6c20-4387-b54f-a89d717bd134/full/843,/0/default.jpg)
![The Queen Laying the First Stone for the Church of the Poor Clares in Spain [verso]](https://api.nga.gov/iiif/bfeb82d7-e8ae-4320-a1c6-b102effd42ce/full/843,/0/default.jpg)
