1956
National Gallery of Art, 1500
National Gallery of Art, 1915
National Gallery of Art, 1884
National Gallery of Art, 1946
Frank, Robert, 1958
National Gallery of Art, 1935
National Gallery of Art, 1965
National Gallery of Art, 1976
National Gallery of Art, 1936
National Gallery of Art, 1937
National Gallery of Art, 1890
![Charles V, 1500-1558, King of Spain 1516-1556, Holy Roman Emperor 1519 [obverse]](https://api.nga.gov/iiif/28fbadb4-8418-4549-b581-f83bb7f643f0/full/843,/0/default.jpg)
![Mehrfigurige Kompositionsskizze (Figural Composition) [p. 11]](https://api.nga.gov/iiif/a7079955-3bb6-4d3b-9a2f-a11ca7c6d4bc/full/843,/0/default.jpg)
![Male Portrait Study (Mannliche Bildnisstudie, daruber Kohler...) [p. 7]](https://api.nga.gov/iiif/9b0eb010-0e91-42b8-9822-eeda598939ce/full/843,/0/default.jpg)
