Poll: Still Not in the Library of Congress National Film Registry

In their 30th annual selection the US Library of Congress selected 25 films deemed "culturally, historically or aesthetically" significant to the nation's film heritage. The selection helps ensure that those on the list will be preserved for all time. Which one of these surviving classic silent films, still not selected for the Registry, most deserves to be inducted? https://getsatisfaction.com/imdb/topics/still-not-in-the-library-of-congress-national-film-registry