1619
National Gallery of Art, 1836
National Gallery of Art, 1938
National Gallery of Art, 1935
National Gallery of Art, 1976
National Gallery of Art, 1923
National Gallery of Art, 1936
National Gallery of Art, 1525
National Gallery of Art, 1939
National Gallery of Art, 1645
National Gallery of Art, 1956
United States Government, 1935
![Light Bulb [working proof]](https://api.nga.gov/iiif/b677c783-899b-4518-adce-4877b24b09b2/full/843,/0/default.jpg)
![Merz 3 [Title Page]](https://api.nga.gov/iiif/4afef46f-996a-4d12-b623-22f9dca32257/full/843,/0/default.jpg)
