Notable films now considered lost include "Cleopatra" from 1917, "The Great Gatsby" from 1926, Lon Chaney's "London After Midnight" from 1927, and "The Patriot" from 1928.
Films featuring early stars, including Buster Keaton, Charlie Chaplin and Mary Pickford still exist. The Museum of Modern Art in New York City, the Library of Congress and other archives have been preserving early films for decades. But the study notes that for every classic that survives, a half dozen have been lost.
Nitrate film stock's vulnerability to fire and deterioration contributed to the losses, along with the movie industry's practice of neglecting or destroying prints and negatives, Pierce wrote.
Of the major film studios, MGM stood out for its early work to preserve silent films. The studio also held "Gone with the Wind" and "The Wizard of Oz" in its collection and found ongoing commercial value in old films with theatrical rereleases and TV distribution, Pierce said. So the studio invested in its film library, unlike any other, and saved 113 silent films it produced or distributed. MGM also gave prints and negatives to archives, primarily the George Eastman House in Rochester, New York. Now, 68 percent of the studio's silent films still survive.
At the same time, Paramount Pictures, the early dominant movie studio, stands out for how few of its 1,222 silent-era features survive. The study noted Paramount had no preservation program until the 1980s, and now only 29 percent of its silent-era titles or fragments can be located.
Few if any other films will be found in movie studio vaults, Pierce wrote. Preservationists are now looking to foreign archives and private collections to identify any other remaining films that might be saved.
Librarian of Congress James Billington wrote in the report that the nation has already lost much of the creative record from an era that brought American movies to the heights of cinematic achievement.
"The loss of American silent-era feature films constitutes an alarming and irretrievable loss to our nation's cultural record," he wrote.
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Library of Congress Film Program: http://www.loc.gov/film/
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