"Honest Trailers" Sherlock Holmes (BBC) (TV Episode 2016)
Sherlock Holmes Solves the Sign of the Four (Short 1913)
The Sign of Four (1923)
The Sign of Four: Sherlock Holmes' Greatest Case (1932)
"Sherlock Holmes" The Sign of Four (TV Episode 1968)
"Les grands détectives" Sherlock Holmes: Le signe des quatre (TV Episode 1974)
