1937–1940
Williams, Dave H. and Reba W., 1937
National Gallery of Art, 1575
National Gallery of Art, 1435
National Gallery of Art, 1939
National Gallery of Art, 1549
National Gallery of Art, 1895
National Gallery of Art, 1977
National Gallery of Art, 1935
National Gallery of Art, 1755
National Gallery of Art, 1932
National Gallery of Art, 1941
National Gallery of Art, 1887
![Opening of the Porta Santa [reverse]](https://api.nga.gov/iiif/edb9be78-a870-4bac-8b5d-328132f6886e/full/843,/0/default.jpg)
![Pantheum Romanum [The Roman Pantheon]](https://api.nga.gov/iiif/fbf23faf-a515-4117-bc21-242346a20fd1/full/843,/0/default.jpg)
![Sheet of Studies [recto and verso]](https://api.nga.gov/iiif/dc0e1d73-25f7-4b95-b531-7404df4e8180/full/843,/0/default.jpg)
