1998
National Gallery of Art, 1935
National Gallery of Art, 1973
Crown Point Press, 1994
National Gallery of Art, 1936
National Gallery of Art, 1801
National Gallery of Art, 1860
National Gallery of Art, 1925
National Gallery of Art, 1959
National Gallery of Art, 1938
National Gallery of Art, 1940
National Gallery of Art, 1991
![Sky and Mirror [working proof 6]](https://api.nga.gov/iiif/91325e40-571c-4cee-8671-86364fd69a28/full/843,/0/default.jpg)
![Piazza Rotonda [working proof 9]](https://api.nga.gov/iiif/721f3181-7e39-4fa5-b149-40ff3683bd72/full/843,/0/default.jpg)
